National Library of Energy BETA

Sample records for low-field excitations print

  1. Magnetic Vortex Core Reversal by Low-Field Excitations

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    Magnetic Vortex Core Reversal by Low-Field Excitations Magnetic Vortex Core Reversal by Low-Field Excitations Print Wednesday, 28 March 2007 00:00 In micrometer-sized magnetic thin...

  2. Magnetic Vortex Core Reversal by Low-Field Excitations

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    switching mechanism, which can be understood within the framework of micromagnetic theory, gives insights into basic magnetization dynamics and their possible application to...

  3. Magnetic Vortex Core Reversal by Low-Field Excitations

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    these structures are highly stable, very strong magnetic fields of around half a tesla (approximately one-third the field of the strongest permanent magnet) were previously...

  4. Magnetic Vortex Core Reversal by Low-Field Excitations

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity ofkandz-cm11 Outreach Home Room NewsInformationJesse BergkampCentermillion toMSDS on the internet TheLaboratory

  5. Magnetic Vortex Core Reversal by Low-Field Excitations

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity ofkandz-cm11 Outreach Home Room NewsInformationJesse BergkampCentermillion toMSDS on the internet TheLaboratoryMagnetic

  6. Magnetic Vortex Core Reversal by Low-Field Excitations

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantityBonneville Power Administration would likeUniverseIMPACTThousandReport) |Administration SavannahMagnetic Vortex Core

  7. Magnetic Vortex Core Reversal by Low-Field Excitations

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantityBonneville Power Administration would likeUniverseIMPACTThousandReport) |Administration SavannahMagnetic Vortex CoreMagnetic

  8. Magnetic Vortex Core Reversal by Low-Field Excitations

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantityBonneville Power Administration would likeUniverseIMPACTThousandReport) |Administration SavannahMagnetic Vortex

  9. Magnetic Vortex Core Reversal by Low-Field Excitations

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantityBonneville Power Administration would likeUniverseIMPACTThousandReport) |Administration SavannahMagnetic VortexMagnetic

  10. Magnetic Vortex Core Reversal by Low-Field Excitations

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantityBonneville Power Administration would likeUniverseIMPACTThousandReport) |Administration SavannahMagnetic

  11. Magnetic Vortex Core Reversal by Low-Field Excitations

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantityBonneville Power Administration would likeUniverseIMPACTThousandReport) |Administration SavannahMagneticMagnetic Vortex Core

  12. Ultra-low field magnetic resonance using optically pumped noble gases and SQUID detection

    E-Print Network [OSTI]

    Wong-Foy, Annjoe G.

    2010-01-01

    Enhancement . . . . Ultra Low Field Xenon NMR ShowingIntroduction.. 4.2 Ultra Low FieldNuclear Polarization 5.10.3 Ultra Low Field Chemical Shift

  13. Low-field classroom nuclear magnetic resonance system

    E-Print Network [OSTI]

    Zimmerman, Clarissa Lynette

    2010-01-01

    The goal of this research was to develop a Low-field Classroom NMR system that will enable hands-on learning of NMR and MRI concepts in a Biological-Engineering laboratory course. A permanent magnet system, designed using ...

  14. J. Phys. B: Atom. Molec. Phys., Vol. 11, No. 1, 1978. Printed in Great Britain. @ 1978 Analysis of excitation energies and transition moments

    E-Print Network [OSTI]

    Beebe, Nelson H. F.

    of excitation energies and transition moments Jens Oddershede, Poul J~rgensenand Nelson H F Beebe Department contributions to excitation energies and transition moments in a second-order polarisation propagator description of the electronic transition moments whereas excitation energies are virtually unaffected. We have

  15. Ultra-low field MRI of prostate cancer using SQUID detection

    E-Print Network [OSTI]

    Busch, Sarah Elizabeth

    2011-01-01

    coil. Chapter 3 3 Ultra low field MRI 3.1 Polarization TheUltra-low field MRI of prostate cancer using SQUID detectionSteven Conolly Spring 2011 Ultra-low field MRI of prostate

  16. Government Printing Office Requirements

    Broader source: Energy.gov [DOE]

    This section describes the Government Printing Office (GPO) requirements for all print materials, whether printed electronically or on paper. This includes requirements for printing and copying for...

  17. Cryogenic exciter

    DOE Patents [OSTI]

    Bray, James William (Niskayuna, NY); Garces, Luis Jose (Niskayuna, NY)

    2012-03-13

    The disclosed technology is a cryogenic static exciter. The cryogenic static exciter is connected to a synchronous electric machine that has a field winding. The synchronous electric machine is cooled via a refrigerator or cryogen like liquid nitrogen. The static exciter is in communication with the field winding and is operating at ambient temperature. The static exciter receives cooling from a refrigerator or cryogen source, which may also service the synchronous machine, to selected areas of the static exciter and the cooling selectively reduces the operating temperature of the selected areas of the static exciter.

  18. Suppressing Multi-Channel Ultra-Low-Field MRI Measurement Noise Using Data Consistency and Image

    E-Print Network [OSTI]

    Suppressing Multi-Channel Ultra-Low-Field MRI Measurement Noise Using Data Consistency and Image of Mathematics, National Taiwan University, Taipei, Taiwan, 4 Elekta Oy, Helsinki, Finland Abstract Ultra-low. (2013) Suppressing Multi-Channel Ultra-Low-Field MRI Measurement Noise Using Data Consistency and Image

  19. Quadrature Rotating-Frame Gradient Fields for Ultra-Low Field Nuclear Magnetic Resonance and Imaging

    E-Print Network [OSTI]

    Bouchard, Louis-Serge

    2005-01-01

    Frame Gradient Fields For Ultra-Low Field Nuclear Magneticslow, as in the limit of ultra-low ?elds. In the ?rst case,B. Slice selection in ultra-low ?elds We ?rst examine the

  20. Field quality issues in iron-dominated dipoles at low fields

    SciTech Connect (OSTI)

    Brown, B.C.

    1996-10-01

    In order to help assess the usable dynamic range of iron-dominated dipoles, field shape data at low field on several Fermi-lab accelerator dipole designs are presented. Emphasis is placed on the systematic and random values of the low field sextupole since it is the first ``allowed`` field error. The Main Injector dipoles provide four times smaller sextupole and more than 20 times less sextupole hysteresis than earlier designs for the Main Ring.

  1. Ultra-low field nuclear magnetic resonance and magnetic resonance imaging to discriminate and identify materials

    DOE Patents [OSTI]

    Kraus, Robert H. (Los Alamos, NM); Matlashov, Andrei N. (Los Alamos, NM); Espy, Michelle A. (Los Alamos, NM); Volegov, Petr L. (Los Alamos, NM)

    2010-03-30

    An ultra-low magnetic field NMR system can non-invasively examine containers. Database matching techniques can then identify hazardous materials within the containers. Ultra-low field NMR systems are ideal for this purpose because they do not require large powerful magnets and because they can examine materials enclosed in conductive shells such as lead shells. The NMR examination technique can be combined with ultra-low field NMR imaging, where an NMR image is obtained and analyzed to identify target volumes. Spatial sensitivity encoding can also be used to identify target volumes. After the target volumes are identified the NMR measurement technique can be used to identify their contents.

  2. He Lung Imaging in an Open Access, Very-Low-Field Human Magnetic Resonance Imaging System

    E-Print Network [OSTI]

    Walsworth, Ronald L.

    3 He Lung Imaging in an Open Access, Very-Low-Field Human Magnetic Resonance Imaging System R. W. Butler,6 F. W. Hersman,4 and R. L. Walsworth1 The human lung and its functions are extremely sensitive lung restrict sub- jects to lying horizontally. Imaging of human lungs using inhaled laser-polarized 3

  3. Excited Insects

    E-Print Network [OSTI]

    Hacker, Randi

    2011-04-06

    but not killing them doesn't actually count as true celebration. Now, China. There's a country that knows how to make a bug feel good. Bugs have their very own holiday in the Chinese calendar. It's called the Feast of the Excited Insects and it falls on March 5th...

  4. MRI of the lung gas-space at very low-field using hyperpolarized noble gases

    E-Print Network [OSTI]

    MRI of the lung gas-space at very low-field using hyperpolarized noble gases Arvind K. Venkatesha such as in the lungs. In HP gas MRI the signal-to-noise ratio (SNR) depends only weakly on the static magnetic field (B of the lungs in humans and in rats, obtained at a field of only 15 millitesla (150 Gauss). © 2003 Elsevier Inc

  5. Windows XP - LPR Printing

    E-Print Network [OSTI]

    dbrown

    2004-07-27

    Printer Setup in Windows XP. To print to the math department printers in Windows XP, “Print Services for Unix” must be installed. To begin installation of “

  6. Measurement of Untruncated Nuclear Spin Interactions via Zero- to Ultra-Low-Field Nuclear Magnetic Resonance

    E-Print Network [OSTI]

    John W. Blanchard; Tobias F. Sjolander; Jonathan P. King; Micah P. Ledbetter; Emma H. Levine; Vikram S. Bajaj; Dmitry Budker; Alexander Pines

    2015-07-09

    Zero- to ultra-low-field nuclear magnetic resonance (ZULF NMR) provides a new regime for the measurement of nuclear spin-spin interactions free from effects of large magnetic fields, such as truncation of terms that do not commute with the Zeeman Hamiltonian. One such interaction, the magnetic dipole-dipole coupling, is a valuable source of spatial information in NMR, though many terms are unobservable in high-field NMR, and the coupling averages to zero under isotropic molecular tumbling. Under partial alignment, this information is retained in the form of so-called residual dipolar couplings. We report zero- to ultra-low-field NMR measurements of residual dipolar couplings in acetonitrile-2-$^{13}$C aligned in stretched polyvinyl acetate gels. This represents the first investigation of dipolar couplings as a perturbation on the indirect spin-spin $J$-coupling in the absence of an applied magnetic field. As a consequence of working at zero magnetic field, we observe terms of the dipole-dipole coupling Hamiltonian that are invisible in conventional high-field NMR. This technique expands the capabilities of zero- to ultra-low-field NMR and may have applications in precision measurement of subtle physical interactions, chemical analysis, and characterization of local mesoscale structure in materials.

  7. Z .Physica C 320 1999 101114 Formation of the low-field peak in magnetization loops of high-Tc

    E-Print Network [OSTI]

    Johansen, Tom Henning

    Z .Physica C 320 1999 101­114 Formation of the low-field peak in magnetization loops of high form 19 April 1999; accepted 24 May 1999 Abstract Z . Z .The positions of the central low-field peak of the central peak with other ``peak effects'' observed in MHLs. q 1999 Published by Elsevier Science B.V. All

  8. Low-field diamagnetic response of granular superconductors at finite temperatures

    SciTech Connect (OSTI)

    Auletta, C.; Raiconi, G. ); De Luca, R.; Pace, S. )

    1994-05-01

    We study the low-field diamagnetic response of granular superconductors at finite temperatures by means of a simple two-dimensional Josephson-junction array. The temperature effects are taken into account by inserting white-noise current sources in parallel to the resistively shunted junction circuit models of the Josephson junctions of the network. By this analysis we argue that a simplified one-dimensional description of the equivalent circuit, proposed by the authors for cylindrical granular superconductors, is still valid even in the presence of thermally activated flux jumps. A flux-creep picture for intergranular flux motion follows.

  9. Ultra-low field nuclear magnetic resonance and magnetic resonance imaging to discriminate and identify materials

    DOE Patents [OSTI]

    Matlashov, Andrei Nikolaevich; Urbaitis, Algis V.; Savukov, Igor Mykhaylovich; Espy, Michelle A.; Volegov, Petr Lvovich; Kraus, Jr., Robert Henry

    2013-03-05

    Method comprising obtaining an NMR measurement from a sample wherein an ultra-low field NMR system probes the sample and produces the NMR measurement and wherein a sampling temperature, prepolarizing field, and measurement field are known; detecting the NMR measurement by means of inductive coils; analyzing the NMR measurement to obtain at least one measurement feature wherein the measurement feature comprises T1, T2, T1.rho., or the frequency dependence thereof; and, searching for the at least one measurement feature within a database comprising NMR reference data for at least one material to determine if the sample comprises a material of interest.

  10. Low-noise pulsed pre-polarization magnet system for ultra-low field NMR

    SciTech Connect (OSTI)

    Sims, James R [Los Alamos National Laboratory; Schilling, Josef B [Los Alamos National Laboratory; Swenson, Charles A [Los Alamos National Laboratory; Gardner, David L [Los Alamos National Laboratory; Matlashov, Andrei N [Los Alamos National Laboratory; Ammerman, Curti N [Los Alamos National Laboratory

    2009-01-01

    A liquid cooled, pulsed electromagnet of solenoid configuration suitable for duty in an ultra-low field nuclear magnetic resonance system has been designed, fabricated and successfully operated. The magnet design minimizes Johnson noise, minimizes the hydrogen signal and incorporates minimal metal and no ferromagnetic materials. In addition, an acoustically quiet cooling system permitting 50% duty cycle operation was achieved by designing for single-phase, laminar flow, forced convection cooling. Winding, conductor splicing and epoxy impregnation techniques were successfully developed to produce a coil winding body with integral cooling passageways and adequate structural integrity. Issues of material compatibility, housing, coolant flow system and heat rejection system design will be discussed. Additionally, this pulsed electromagnet design has been extended to produce a boiling liquid cooled version in a paired solenoid configuration suitable for duty in an ultra-low field nuclear magnetic resonance system. This pair of liquid nitrogen cooled coils is currently being tested and commissioned. Issues of material compatibility, thermal insulation, thermal contraction, housing and coolant flow design are discussed.

  11. Printing Instructions for MobilePrint Using Web Release

    E-Print Network [OSTI]

    Boonstra, Rudy

    Printing Instructions for MobilePrint Using Web Release: Step 1: Navigate to the MobilePrint Portal in the Web Release window, as shown below. DO NOT click print, or your document will be sent directly document using MobilePrint Web Release Select the printer you wish to print to. By default, the last

  12. Ultra-low field NMR for detection and characterization of 235 UF6

    SciTech Connect (OSTI)

    Espy, Michelle A; Magnelind, Per E; Matlashov, Andrei N; Urbaitis, Algis V; Volegov, Petr L

    2009-01-01

    We have demonstrated the first ultra-low field (ULF) nuclear magnetic resonance measurements of uranium hexafluoride (UF{sub 6}), both depleted and 70% enriched, which is used in the uranium enrichment process. A sensitive non-invasive detection system would have an important role in non-proliferation surveillance. A two-frequency technique was employed to remove the transients induced by rapidly switching off the 50 mT pre-polarization field. A mean transverse relaxation time T{sub 2} of 24 ms was estimated for the un-enriched UF{sub 6} sample measured at a mean temperature of 80 C. Nuclear magnetic resonance at ULF has several advantages including the ability to measure through metal, such as pipes, and simple magnetic field generation hardware. We present here recent data and discuss the potential for non-proliferation monitoring of enrichment and flow velocity.

  13. Direct imaging of neural currents using ultra-low field magnetic resonance techniques

    DOE Patents [OSTI]

    Volegov, Petr L. (Los Alamos, NM); Matlashov, Andrei N. (Los Alamos, NM); Mosher, John C. (Los Alamos, NM); Espy, Michelle A. (Los Alamos, NM); Kraus, Jr., Robert H. (Los Alamos, NM)

    2009-08-11

    Using resonant interactions to directly and tomographically image neural activity in the human brain using magnetic resonance imaging (MRI) techniques at ultra-low field (ULF), the present inventors have established an approach that is sensitive to magnetic field distributions local to the spin population in cortex at the Larmor frequency of the measurement field. Because the Larmor frequency can be readily manipulated (through varying B.sub.m), one can also envision using ULF-DNI to image the frequency distribution of the local fields in cortex. Such information, taken together with simultaneous acquisition of MEG and ULF-NMR signals, enables non-invasive exploration of the correlation between local fields induced by neural activity in cortex and more `distant` measures of brain activity such as MEG and EEG.

  14. Magnetization, Low Field Instability and Quench of RHQT Nb(3)Al Strands

    SciTech Connect (OSTI)

    Yamada, R.; Wake, M.; Kikuchi, A.; Velev, V.; /Fermilab

    2009-01-01

    Since 2005, we made and tested three RHQT Nb{sub 3}Al strands, one with Nb matrix and two with Ta matrix, which are fully stabilized with Cu electroplating. We observed anomalously large magnetization curves extending beyond 1 to 1.5 Tesla with the F1 Nb matrix strand at 4.2 K, when we measured its magnetization with a balanced coil magnetometer. This problem was eliminated with the Ta matrix strands operating at 4.2 K. But with these strands a similar but smaller anomalous magnetization was observed at 1.9 K. We studied these phenomena with FEM. With the F1 Nb matrix strand, it is explained that at low external field, inter-filamentary coupling currents in the outer layers of sub-elements create a shielding effect. It reduces the inside field, keeps the inside Nb matrix superconductive, and stands against a higher outside field beyond the Hc of Nb. At an even higher external field, the superconductivity of the whole Nb matrix collapses and releases a large amount of energy, which may cause a big quench. Depending on the size of the energy in the strand or the cable, a magnet could quench, causing the low field instability. Some attempt to analyze the anomaly with FEM is presented.

  15. Compact organic vapor jet printing print head

    DOE Patents [OSTI]

    Forrest, Stephen R; McGraw, Gregory

    2013-12-24

    A first device is provided. The first device includes a print head, and a first gas source hermetically sealed to the print head. The print header further includes a first layer comprising a plurality of apertures, each aperture having a smallest dimension of 0.5 to 500 microns. A second layer is bonded to the first layer. The second layer includes a first via in fluid communication with the first gas source and at least one of the apertures. The second layer is made of an insulating material.

  16. A LOW-FIELD LOW-ASPECT RATIO TOKAMAK J. L. Shohet, G. A. Emmert, J. E. Scharer, S. Yoshikawa/*

    E-Print Network [OSTI]

    Sprott, Julien Clinton

    A LOW-FIELD LOW-ASPECT RATIO TOKAMAK J. L. Shohet, G. A. Emmert, J. E. Scharer, S. Yoshikawa/* J. F of this report is to consider the type of 1 experimental program utilizing a tokamak configuration that would in current tokamak research are that low aspect , d ' 1 'II b ' rato evces w e most lmportant. The lowest

  17. An open-access, very-low-field MRI system for posture-dependent 3 lung imaging

    E-Print Network [OSTI]

    Walsworth, Ronald L.

    An open-access, very-low-field MRI system for posture-dependent 3 He human lung imaging L.L. Tsai a imaging Lung imaging Open access a b s t r a c t We describe the design and operation of an open of the human lungs. This system permits the study of lung function in both horizontal and upright postures

  18. 3D Printing Electronics

    E-Print Network [OSTI]

    Stryk, Oskar von

    the top six were granted further funding by DARPA and were also given an ATLAS robot to continue is the connectivity. Here in the US everyone assumes high ... Boeing Utilizing Sigma Labs (SGLB) "PrintRite3D" System for 3D Printing · -- B6 Sigma Labs (ticker SGLB) is not the same company as Sigma Technologies

  19. Inkjet printed electronics using copper nanoparticle ink

    E-Print Network [OSTI]

    Kang, Jin Sung; Kim, Hak Sung; Ryu, Jongeun; Thomas Hahn, H.; Jang, Seonhee; Joung, Jae Woo

    2010-01-01

    providing printed electronics using copper nanoparticles.0049-3 Inkjet printed electronics using copper nanoparticleand quality of the printed electronics. In this paper, we

  20. Nuclear expansion with excitation

    E-Print Network [OSTI]

    J. N. De; S. K. Samaddar; X. Vinas; M. Centelles

    2006-05-16

    The expansion of an isolated hot spherical nucleus with excitation energy and its caloric curve are studied in a thermodynamic model with the SkM* force as the nuclear effective two-body interaction. The calculated results are shown to compare well with the recent experimental data from energetic nuclear collisions. The fluctuations in temperature and density are also studied. They are seen to build up very rapidly beyond an excitation energy of 9 MeV/u. Volume-conserving quadrupole deformation in addition to expansion indicates, however, nuclear disassembly above an excitation energy of 4 MeV/u

  1. Scaling of Inkjet-Printed Transistors using Novel Printing Techniques

    E-Print Network [OSTI]

    Tseng, Huai-Yuan

    2011-01-01

    studies on semiconductor material properties in this lengthProperties of Ink?Jet?Printed Silver Nanoparticulate Electrode and Organic Semiconductor,? Advanced Materials,Properties of Ink?Jet?Printed Silver Nanoparticulate Electrode and Organic Semiconductor,? Advanced Materials,

  2. Duality and anyonic excitations

    E-Print Network [OSTI]

    Wellington da Cruz

    1998-03-09

    We consider anyonic excitations classified into equivalence classes labeled by Hausdorff dimension, $h$ and introduce the concept of duality between such classes, defined by $\\tilde{h}=3-h$. In this way, we confirm that the filling factors for which the Fractional Quantum Hall Effect (FQHE) were observed just appears into these classes and the duality in case is between quasihole and quaasiparticle excitations for these FQHE systems.Exchanges of dual pairs $(\

  3. Idea Generation 3D printing

    E-Print Network [OSTI]

    Stylianou, Yannis

    2012 Idea Generation 3D printing at nanoscale Cruising on electrical roads Pushing back against Centre micro and nanoscale 15 Taking 3D printing to the nanoscale 18 Fighting cancer with a "lab

  4. Content-adaptive lenticular prints

    E-Print Network [OSTI]

    Tompkin, James

    Lenticular prints are a popular medium for producing automultiscopic glasses-free 3D images. The light field emitted by such prints has a fixed spatial and angular resolution. We increase both perceived angular and spatial ...

  5. Organic vapor jet printing system

    DOE Patents [OSTI]

    Forrest, Stephen R

    2012-10-23

    An organic vapor jet printing system includes a pump for increasing the pressure of an organic flux.

  6. A compact high-performance low-field NMR apparatus for measurements on fluids at very high pressures and temperatures

    SciTech Connect (OSTI)

    Freedman, R.; Anand, V. Ganesan, K.; Tabrizi, P.; Torres, R.; Grant, B.; Catina, D.; Ryan, D.; Borman, C.; Krueckl, C.

    2014-02-15

    We discuss an innovative new high-performance apparatus for performing low-field Nuclear Magnetic Resonance (NMR) relaxation times and diffusion measurements on fluids at very high pressures and high temperatures. The apparatus sensor design and electronics specifications allow for dual deployment either in a fluid sampling well logging tool or in a laboratory. The sensor and electronics were designed to function in both environments. This paper discusses the use of the apparatus in a laboratory environment. The operating temperature and pressure limits, and the signal-to-noise ratio (SNR) of the new system exceed by a very wide margin what is currently possible. This major breakthrough was made possible by a revolutionary new sensor design that breaks many of the rules of conventional high pressure NMR sensor design. A metallic sample holder capable of operating at high pressures and temperatures is provided to contain the fluid under study. The sample holder has been successfully tested for operation up to 36 Kpsi. A solenoid coil wound on a slotted titanium frame sits inside the metallic sample holder and serves as an antenna to transmit RF pulses and receive NMR signals. The metal sample holder is sandwiched between a pair of gradient coils which provide a linear field gradient for pulsed field gradient diffusion measurements. The assembly sits in the bore of a low-gradient permanent magnet. The system can operate over a wide frequency range without the need for tuning the antenna to the Larmor frequency. The SNR measured on a water sample at room temperature is more than 15 times greater than that of the commercial low-field system in our laboratory. Thus, the new system provides for data acquisition more than 200 times faster than was previously possible. Laboratory NMR measurements of relaxations times and diffusion coefficients performed at pressures up to 25 Kpsi and at temperatures up to 175?°C with crude oils enlivened with dissolved hydrocarbon gases (referred to as “live oils”) are shown. This is the first time low-field NMR measurements have been performed at such high temperatures and pressures on live crude oil samples. We discuss the details of the apparatus design, tuning, calibration, and operation. NMR data acquired at multiple temperatures and pressures on a live oil sample are discussed.

  7. Excitation Methods for Bridge Structures

    SciTech Connect (OSTI)

    Farrar, C.R.; Duffy, T.A.; Cornwell, P.J.; Doebling, S.W.

    1999-02-08

    This paper summarizes the various methods that have been used to excited bridge structures during dynamic testing. The excitation methods fall into the general categories of ambient excitation methods and measured-input excitation methods. During ambient excitation the input to the bridge is not directly measured. In contrast, as the category label implies, measured-input excitations are usually applied at a single location where the force input to the structure can be monitored. Issues associated with using these various types of measurements are discussed along with a general description of the various excitation methods.

  8. Inkjet-Printed Ferromagnetic Nanoparticles for Miniaturization of Flexible Printed RF Inductors

    E-Print Network [OSTI]

    Tentzeris, Manos

    the inductor for flexible printed electronics. This flexible, miniaturized inductor can be coupledInkjet-Printed Ferromagnetic Nanoparticles for Miniaturization of Flexible Printed RF Inductors to apply ferromagnetic nanomaterial is investigated to produce a truly flexible, printed RF inductor

  9. WiPrint: 3D Printing Your Wireless Coverage Author: Justin Chan

    E-Print Network [OSTI]

    WiPrint: 3D Printing Your Wireless Coverage Author: Justin Chan Advisor: Xia Zhou Dartmouth WiPrint, a novel approach to customiz- ing wireless signal maps using 3D printed glossy reflectors

  10. Excited Upsilon Radiative Decays

    E-Print Network [OSTI]

    Randy Lewis; R. M. Woloshyn

    2011-11-13

    Bottomonium S-wave states were studied using lattice NRQCD. Masses of ground and excited states were calculated using multiexponential fitting to a set of correlation functions constructed using both local and wavefunction-smeared operators. Three-point functions for M1 transitions between vector and pseudoscalar states were computed. Robust signals for transitions involving the first two excited states were obtained. The qualitative features of the transition matrix elements are in agreement with expectations. The calculated values of matrix elements for Y(2S) and Y(3S) decay are considerably larger than values inferred from measured decay widths.

  11. Part removal of 3D printed parts

    E-Print Network [OSTI]

    Peña Doll, Mateo

    2014-01-01

    An experimental study was performed to understand the correlation between printing parameters in the FDM 3D printing process, and the force required to remove a part from the build platform of a 3D printing using a patent ...

  12. Magnetostrictive resonance excitation

    DOE Patents [OSTI]

    Schwarz, Ricardo B. (Los Alamos, NM); Kuokkala, Veli-Tapani (Tampere, FI)

    1992-01-01

    The resonance frequency spectrum of a magnetostrictive sample is remotely determined by exciting the magnetostrictive property with an oscillating magnetic field. The permeability of a magnetostrictive material and concomitant coupling with a detection coil varies with the strain in the material whereby resonance responses of the sample can be readily detected. A suitable sample may be a magnetostrictive material or some other material having at least one side coated with a magnetostrictive material. When the sample is a suitable shape, i.e., a cube, rectangular parallelepiped, solid sphere or spherical shell, the elastic moduli or the material can be analytically determined from the measured resonance frequency spectrum. No mechanical transducers are required and the sample excitation is obtained without contact with the sample, leading to highly reproducible results and a measurement capability over a wide temperature range, e.g. from liquid nitrogen temperature to the Curie temperature of the magnetostrictive material.

  13. Pennsylvania Company Develops Solar Cell Printing Technology

    Broader source: Energy.gov [DOE]

    The technology uses Plextronics’ conductive inks that can be printed by manufacturers worldwide to make solar cells, potentially as easily as they might print a newspaper.

  14. SciTech Connect: "3d printing"

    Office of Scientific and Technical Information (OSTI)

    3d printing" Find + Advanced Search Term Search Semantic Search Advanced Search All Fields: "3d printing" Semantic Semantic Term Title: Full Text: Bibliographic Data: Creator ...

  15. Page | 1 Managed Print Project Outline Pull Printing

    E-Print Network [OSTI]

    Glasgow, University of

    in power and reductions in total print volume. 2. Reduce costs by implementing a cost the completion of these initiatives. The UK government's introduction of the Carbon Reduction Commitments (CRC.0 Project Outline Following a number of pilot exercises, the University is preparing to move to new printing

  16. Low-field magnetoresistance up to 400 K in double perovskite Sr{sub 2}FeMoO{sub 6} synthesized by a citrate route

    SciTech Connect (OSTI)

    Harnagea, L.; Jurca, B.; Berthet, P.

    2014-03-15

    A wet-chemistry technique, namely the citrate route, has been used to prepare high-quality polycrystalline samples of double perovskite Sr{sub 2}FeMoO{sub 6}. We report on the evolution of magnetic and magnetoresistive properties of the synthesized samples as a function of three parameters (i) the pH of the starting solution, (ii) the decomposition temperature of the citrate precursors and (iii) the sintering conditions. The low-field magnetoresistance (LFMR) value of our best samples is as high as 5% at room temperature for an applied magnetic field of 1 kOe. Additionally, the distinguishing feature of these samples is the persistence of LFMR, with a reasonably large value, up to 400 K which is a crucial parameter for any practical application. Our study indicates that the enhancement of LFMR observed is due to a good compromise between the grain size distribution and their magnetic polarization. -- Graphical abstract: The microstructure (left panel) and corresponding low-field magnetoresistance of one of the Sr{sub 2}FeMoO{sub 6} samples synthesized in the course of this work. Highlights: • Samples of Sr{sub 2}FeMoO{sub 6} are prepared using a citrate route under varying conditions. • Magnetoresistive properties are improved and optimized. • Low-field magnetoresitence values as large as 5% at 300 K/1 kOe are reported. • Persistence of low-field magnetoresistance up to 400 K.

  17. Neutral Beam Excitation

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantityBonneville Power Administration wouldMass map shinesSolar Photovoltaic(MillionNature and Origin WhatNetworks,Beam Excitation of

  18. Exciting new PDSF developments

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantityBonneville Power Administration would like submitKansasCommunitiesof Energy8) Wigner HomeExampleDevelopments UsingExciting

  19. Intense pulsed light sintering of copper nanoink for printed electronics

    E-Print Network [OSTI]

    Kim, Hak-Sung; Dhage, Sanjay R.; Shim, Dong-Eun; Hahn, H. Thomas

    2009-01-01

    copper nanoink for printed electronics Hak-Sung Kim · Sanjay1 Introduction Printed electronics techniques such as inkjetcomponents of printed electronics are conducting lines and ?

  20. Fusion excitation function revisited

    E-Print Network [OSTI]

    Ph. Eudes; Z. Basrak; F. Sébille; V. de la Mota; G. Royer; M. Zori?

    2012-09-28

    We report on a comprehensive systematics of fusion-evaporation and/or fusion-fission cross sections for a very large variety of systems over an energy range 4-155 A.MeV. Scaled by the reaction cross sections, fusion cross sections do not show a universal behavior valid for all systems although a high degree of correlation is present when data are ordered by the system mass asymmetry.For the rather light and close to mass-symmetric systems the main characteristics of the complete and incomplete fusion excitation functions can be precisely determined. Despite an evident lack of data above 15A.MeV for all heavy systems the available data suggests that geometrical effects could explain the persistence of incomplete fusion at incident energies as high as 155A.MeV.

  1. Reinventing Shared Print: A Dynamic Service Vision for Shared Print Monographs in a Digital World (preprint)

    E-Print Network [OSTI]

    Stambaugh, Emily Kay

    2013-01-01

    fundamentally change the business model and architecture forphysical location. A new business model would be needed toand the underlying business model. Print Journals, Print

  2. Printed Optics: 3D Printing of Embedded Optical Elements for Interactive Devices

    E-Print Network [OSTI]

    Poupyrev, Ivan

    Printed Optics: 3D Printing of Embedded Optical Elements for Interactive Devices Karl D.D. Willis1 d Figure 1: Custom optical elements are fabricated with 3D printing and embedded in interactive), and embedded optoelectronics (d). ABSTRACT We present an approach to 3D printing custom optical ele- ments

  3. The Makerbot: Desktop 3D printing

    E-Print Network [OSTI]

    Roughan, Matthew

    The Makerbot: Desktop 3D printing Matthew Roughan School of Mathematical Sciences matthew is Lots of maths hidden in something like 3D printing Geometry and Linear algebra ++ Same math used

  4. Structural Integration of Silicon Solar Cells and Lithium-ion Batteries Using Printed Electronics

    E-Print Network [OSTI]

    Kang, Jin Sung

    2012-01-01

    4 Inkjet Printed Electronics Using Copper Nanoparticle29 Inkjet Printed Electronics For Multifunctional Compositenanocrystals toward printed electronics,” Nanotechnology,

  5. Industrial applications of photonuclear resonance excitation

    E-Print Network [OSTI]

    Chichester, David Lee, 1971-

    2000-01-01

    Photonuclear resonance excitation refers to a variety of photonuclear interaction processes that lead to the excitation of a nucleus from some initial state to a higher energy nuclear state. Typical excited nuclear state ...

  6. How to print from a library computer

    E-Print Network [OSTI]

    Royer, Dana

    to ANY library public printer ­ you will choose which printer to pick it upHow to print from a library computer How To Print 1. Make sure you are logged have selected all the op?ons you want, click Print. 6. Go to any library

  7. Idea Generation 3D printing

    E-Print Network [OSTI]

    Papadopouli, Maria

    is a national research centre focused on smart electrical grid and energy storage technology, which Centre micro and nanoscale 15 Taking 3D printing to the nanoscale 18 Fighting cancer with a "lab of wireless speeds 24 Winners of erc grants electrical transportation 25 The power of electrical roads 27

  8. Printed in: ASCE Engineering Mechanics

    E-Print Network [OSTI]

    Printed in: ASCE Engineering Mechanics 1977, pp. 295-297. Pore pressure effeats in ine~hich increments of fluid pore-pressure enter constitutive relations for elastic and inelastic response. The former constrained) equilibrium states has the form, gen- eralized from [1,2] to include pore-pressure effects, d

  9. Processing a printed wiring board by single bath electrodeposition

    DOE Patents [OSTI]

    Meltzer, Michael P. (Oakland, CA); Steffani, Christopher P. (Livermore, CA); Gonfiotti, Ray A. (Livermore, CA)

    2010-12-07

    A method of processing a printed wiring board. Initial processing steps are implemented on the printed wiring board. Copper is plated on the printed wiring board from a bath containing nickel and copper. Nickel is plated on the printed wiring board from a bath containing nickel and copper and final processing steps are implemented on the printed wiring board.

  10. Processing A Printed Wiring Board By Single Bath Electrodeposition

    DOE Patents [OSTI]

    Meltzer, Michael P. (Oakland, CA); Steffani, Christopher P. (Livermore, CA); Gonfiotti, Ray A. (Livermore, CA)

    2003-04-15

    A method of processing a printed wiring board by single bath electrodeposition. Initial processing steps are implemented on the printed wiring board. Copper is plated on the printed wiring board from a bath containing nickel and copper. Nickel is plated on the printed wiring board from the bath containing nickel and copper and final processing steps are implemented on the printed wiring board.

  11. The Astrophysical Journal, 495:L27L30, 1998 March 1 1998. The American Astronomical Society. All rights reserved. Printed in U.S.A.

    E-Print Network [OSTI]

    were made at the Vacuum Tower Telescope of the National Solar Observatory in Sunspot, New Mexico. All rights reserved. Printed in U.S.A. ON THE ORIGIN OF SOLAR OSCILLATIONS Philip R. Goode,1,2 Louis H and relate them to theories of the excitation of solar oscillations. We also discuss the local seismic

  12. Communicating the Excitement of Science

    ScienceCinema (OSTI)

    Michael Turner

    2010-01-08

    In this talk (which will include some exciting science) I will discuss some lessons I have learned about communicating science to scientists (in my own field and others), students, the public, the press, and policy makers in giving 500+ colloquia and seminars, 300+ public lectures and many informal presentations (including cocktail parties).

  13. Type-I superconductor pick-up coil in superconducting quantum interference device-based ultra-low field nuclear magnetic resonance

    SciTech Connect (OSTI)

    Hwang, Seong-min, E-mail: smhwang@kriss.re.kr; Kim, Kiwoong; Kyu Yu, Kwon; Lee, Seong-Joo; Hyun Shim, Jeong [Korea Research Institute of Standards and Science, Daejeon 305-340 (Korea, Republic of); Körber, Rainer [Physikalisch-Technische Bundesanstalt (PTB), Abbestraße 2-12, 10587 Berlin (Germany); Magnicon GmbH, Division Berlin, Abbestraße 2-12, D-10587 Berlin (Germany); Burghoff, Martin [Physikalisch-Technische Bundesanstalt (PTB), Abbestraße 2-12, 10587 Berlin (Germany)

    2014-02-10

    In ultra-low field nuclear magnetic resonance (ULF-NMR) with strong prepolarization field (B{sub p}), type-II superconducting pick-up coils may be vulnerable to flux pinning from the strong B{sub p}. Pick-up coils made of NbTi, Nb, and Pb were evaluated in terms of acquired NMR signal quality. The type-II pick-up coils showed degraded signals above 61?mT maximum exposure, while the Pb pick-up coil exhibited no such degradation. Furthermore, a negative counter pulse following a strong B{sub p} was shown to follow magnetic hysteresis loop to unpin the trapped flux in the type-II pick-up coil and restore the NMR signal.

  14. Organic and Printed Electronics for Biological Microfluidic Applications

    E-Print Network [OSTI]

    Jagannathan, Lakshmi

    2012-01-01

    low-cost and flexible substrates. Printed electronics alsoflexible and plastic substrates Table 1. Comparison between conventional processing and processing using printed electronics.flexible substrates. Specifically, for biological applications, the ability of printed electronics

  15. Organic and Printed Electronics for Biological Microfluidic Applications

    E-Print Network [OSTI]

    Jagannathan, Lakshmi

    2012-01-01

    and Q. Zhang, “Printed electronics for low-cost electronicUltra-Low-Cost Printed Electronics,” Ph.D. dissertation,capability of printed electronics to make important aspects

  16. 3D Printed and Semiconductor Technology 'Mash-up' | Department...

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    to 60 in under five seconds. Concept to reality in just six weeks. Photo Gallery: 3D Printing Brings Classic Shelby Cobra to Life 3-D Printed Inverter Novel 3-D Printed...

  17. 3D Printing of Scintillating Materials

    E-Print Network [OSTI]

    Y. Mishnayot; M. Layani; I. Cooperstein; S. Magdassi; G. Ron

    2014-06-15

    We demonstrate, for the first time, the applicability of 3D printing technique to the manufacture of scintillation detectors. We report of a formulation, usable in stereolithographic printing, that exhibits scintillation efficiency on the order of 30\\% of that of commercial polystyrene based scintillators. We discuss the applicability of these techniques and propose future enhancements that will allow tailoring the printed scintillation detectors to various application.

  18. 3D Printing of Scintillating Materials

    E-Print Network [OSTI]

    Mishnayot, Y; Cooperstein, I; Magdassi, S; Ron, G

    2014-01-01

    We demonstrate, for the first time, the applicability of 3D printing technique to the manufacture of scintillation detectors. We report of a formulation, usable in stereolithographic printing, that exhibits scintillation efficiency on the order of 30\\% of that of commercial polystyrene based scintillators. We discuss the applicability of these techniques and propose future enhancements that will allow tailoring the printed scintillation detectors to various application.

  19. turn over N Wireless printing allows you to print documents from your laptop

    E-Print Network [OSTI]

    turn over N Wireless printing allows you to print documents from your laptop to selected campus printers while connected to the U ofT campus wireless network.You will need to set up one (or more) of the available printers on your computer.You retrieve your printout at Wireless printing costs the same

  20. Improved e-Jet Printing -TFOT Improved e-Jet Printing

    E-Print Network [OSTI]

    Rogers, John A.

    Improved e-Jet Printing - TFOT Home Sections News Articles Forums About Us Improved e-Jet Printing at the University of Illinois have developed a technology that provides higher resolution and more versatility in e-jet printing. As opposed to conventional ink-jet printers, where heat or mechanical vibrations are used

  1. Heat sinking for printed circuitry

    DOE Patents [OSTI]

    Wilson, S.K.; Richardson, G.; Pinkerton, A.L.

    1984-09-11

    A flat pak or other solid-state device mounted on a printed circuit board directly over a hole extends therethrough so that the bottom of the pak or device extends beyond the bottom of the circuit board. A heat sink disposed beneath the circuit board contacts the bottom of the pak or device and provides direct heat sinking thereto. Pressure may be applied to the top of the pak or device to assure good mechanical and thermal contact with the heat sink.

  2. GRADUATE PHD THESIS PROPOSAL APPLICATION Please Print

    E-Print Network [OSTI]

    GRADUATE PHD THESIS PROPOSAL APPLICATION ··Please Print·· Name:__________________________________________ Today's date:_________________ I request approval of the attached thesis topic: Title: ____________________________ Alternate room: ___________________________ Thesis Advisor

  3. When printing a copy of any digitized...

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    Printed March 1979 A USER'S MANUAL FOR THE COMPUTER CODE PAREP * Timothy M. Leonard Civil Engineering Research Facility University of New Mexico Albuquerque, NM Abstract This...

  4. Transfer Printed Microcells with Micro-Optic Concentrators for...

    Office of Scientific and Technical Information (OSTI)

    Printed Microcells with Micro-Optic Concentrators for Low Cost, High Performance Photovoltaic Modules Citation Details In-Document Search Title: Transfer Printed Microcells with...

  5. 3D Printing in 30 Seconds | Department of Energy

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    3D Printing in 30 Seconds 3D Printing in 30 Seconds Addthis An error occurred. Unable to execute Javascript. Duration :38 Topic Science & Technology...

  6. Dispenser Printed Zinc Microbattery with an Ionic Liquid Gel Electrolyte

    E-Print Network [OSTI]

    Ho, Christine Chihfan

    2010-01-01

    using dispenser printing including (a) 3D polymer molds, (b)using dispenser printing including (a) 3D polymer molds, (b)

  7. Paramagnetic resonance at low fields 

    E-Print Network [OSTI]

    Becker, Stewart

    1954-01-01

    for the absorption, This is the fundamental equation of electron resonance absorption. The character of the resonance will depend on the magnitude of h h X Tj^ compared with unity. Under conditions of "no saturation", that is when $ 0/ *0- * - 0 ? 1, (3U... of the Agricultural and Mechanical College of Texas in partial fulfillment of the requirements for the degree of DOCTOR OF PHILOSOPHY April 19$h Major Subject: Physics ACKNOWLEDGEMENTS The author wishes to thank Dr. Melvin Eisner for his active interest...

  8. Improvements in Low Field MRI 

    E-Print Network [OSTI]

    Ogier, Stephen E

    2013-02-01

    for this system, which has a static magnetic field in an unconventional direction. The stronger gradient allows for the selection of thin slices with RF pulses of reasonable length. The third effort was in low-noise RF coils. Typical MRI systems are enclosed...

  9. Threshold electron excitation of Na

    SciTech Connect (OSTI)

    Marinkovic, B.; Wang, P.; Gallagher, A. )

    1992-09-01

    Electron collisional excitation of the 4{ital D}, 5{ital D}, 4{ital P}, and 6{ital S} states of Na has been measured with about 30-meV energy resolution. Very rapid, unresolved threshold onsets are seen for all but the 4{ital P} state, and a near-threshold resonance is suggested by the 5{ital D} data. However, only weak undulations in the cross sections are observed above threshold.

  10. Double Photoionization of excited Lithium and Beryllium

    E-Print Network [OSTI]

    Yip, Frank L.

    2010-01-01

    of excited Lithium and Beryllium F. L. Yip, 1 C. W. McCurdy,ion- ization of lithium and beryllium starting from aligned,DPI from aligned lithium and beryllium atoms in excited P-

  11. Wedding ring shaped excitation coil

    DOE Patents [OSTI]

    MacLennan, Donald A. (Gaithersburg, MD); Tsai, Peter (Olney, MD)

    2001-01-01

    A high frequency inductively coupled electrodeless lamp includes an excitation coil with an effective electrical length which is less than one half wavelength of a driving frequency applied thereto, preferably much less. The driving frequency may be greater than 100 MHz and is preferably as high as 915 MHz. Preferably, the excitation coil is configured as a non-helical, semi-cylindrical conductive surface having less than one turn, in the general shape of a wedding ring. At high frequencies, the current in the coil forms two loops which are spaced apart and parallel to each other. Configured appropriately, the coil approximates a Helmholtz configuration. The lamp preferably utilizes an bulb encased in a reflective ceramic cup with a pre-formed aperture defined therethrough. The ceramic cup may include structural features to aid in alignment and/or a flanged face to aid in thermal management. The lamp head is preferably an integrated lamp head comprising a metal matrix composite surrounding an insulating ceramic with the excitation integrally formed on the ceramic. A novel solid-state oscillator preferably provides RF power to the lamp. The oscillator is a single active element device capable of providing over 70 watts of power at over 70% efficiency.

  12. Content-adaptive Lenticular Prints James Tompkin

    E-Print Network [OSTI]

    Kautz, Jan

    to fixed-size lens arrays. We demonstrate our tech- nique using rendered simulations and by 3D printing.1 [Computer Graphics]: Hardware Architec- ture --Three-dimensional displays; Keywords: Lenticular displays, 3D printing. Links: DL PDF WEB 1 Introduction Displays that provide the illusion of three dimensions have

  13. Theoretical studies of electronically excited states

    SciTech Connect (OSTI)

    Besley, Nicholas A.

    2014-10-06

    Time-dependent density functional theory is the most widely used quantum chemical method for studying molecules in electronically excited states. However, excited states can also be computed within Kohn-Sham density functional theory by exploiting methods that converge the self-consistent field equations to give excited state solutions. The usefulness of single reference self-consistent field based approaches for studying excited states is demonstrated by considering the calculation of several types of spectroscopy including the infrared spectroscopy of molecules in an electronically excited state, the rovibrational spectrum of the NO-Ar complex, core electron binding energies and the emission spectroscopy of BODIPY in water.

  14. Printed circuit dispersive transmission line

    DOE Patents [OSTI]

    Ikezi, H.; Lin-Liu, Y.R.; DeGrassie, J.S.

    1991-08-27

    A printed circuit dispersive transmission line structure is disclosed comprising an insulator, a ground plane formed on one surface of the insulator, a first transmission line formed on a second surface of the insulator, and a second transmission line also formed on the second surface of the insulator and of longer length than the first transmission line and periodically intersecting the first transmission line. In a preferred embodiment, the transmission line structure exhibits highly dispersive characteristics by designing the length of one of the transmission line between two adjacent periodic intersections to be longer than the other. 5 figures.

  15. Printed circuit dispersive transmission line

    DOE Patents [OSTI]

    Ikezi, Hiroyuki (Rancho Santa Fe, CA); Lin-Liu, Yuh-Ren (San Diego, CA); DeGrassie, John S. (Encinitas, CA)

    1991-01-01

    A printed circuit dispersive transmission line structure is disclosed comprising an insulator, a ground plane formed on one surface of the insulator, a first transmission line formed on a second surface of the insulator, and a second transmission line also formed on the second surface of the insulator and of longer length than the first transmission line and periodically intersecting the first transmission line. In a preferred embodiment, the transmission line structure exhibits highly dispersive characteristics by designing the length of one of the transmission line between two adjacent periodic intersections to be longer than the other.

  16. New Modes of Nuclear Excitations

    E-Print Network [OSTI]

    Nadia Tsoneva; Horst Lenske

    2013-10-01

    We present a theoretical approach based on density functional theory supplemented by a microscopic multi-phonon model which is applied for investigations of pygmy resonances and other excitations of different multipolarities in stable and exotic nuclei. The possible relation of low-energy modes to the properties of neutron or proton skins is systematically studied in isotonic and isotopic chains. The fine structure of nuclear electric and magnetic response functions is analyzed and compared to experimental data. Their relevance to nuclear astrophysics is discussed.

  17. CONFIDENTIAL INDICATOR/NO PRINT INDICATOR Georgia Institute of Technology

    E-Print Network [OSTI]

    Li, Mo

    employee who has legitimate access to view your academic records will be given a visual reminder that your will not print in the on-line look-up (lu) or in the printed copy of the Campus Directory. Your name the printing of your name and any associated information in the on-line or printed directory. However

  18. RESEARCH ARTICLE Strengthening of 3D Printed Fused

    E-Print Network [OSTI]

    Haller, Gary L.

    RESEARCH ARTICLE Strengthening of 3D Printed Fused Deposition Manufactured Parts Using the Fill as examples of 3D printed parts used in real-world applications. Introduction While the quality of additive to the wider-spread implementation of 3D- printed components continues to be the limited strength of printed

  19. CAN 3D PRINTING REVOLUTIONIZE GLOBAL MANUFACTURING? A DELPHI STUDY

    E-Print Network [OSTI]

    CAN 3D PRINTING REVOLUTIONIZE GLOBAL MANUFACTURING? A DELPHI STUDY ­ Master Thesis Proposal ­ BACKGROUND 3D printing (or additive manufacturing) is not an entirely new phenomenon. First introduced and president of Foxconn, calls it a nice "gimmick" and even Nick Allen, founder of 3D printing company 3D Print

  20. Aluminum plasmonic metamaterials for structural color printing

    DOE Public Access Gateway for Energy & Science Beta (PAGES Beta)

    Cheng, Fei; Gao, Jie; Stan, Liliana; Rosenmann, Daniel; Czaplewski, David; Yang, Xiaodong

    2015-05-26

    We report a structural color printing platform based on aluminum plasmonic metamaterials supporting near perfect light absorption and narrow-band spectral response tunable across the visible spectrum to realize high-resolution, angle-insensitive color printing with high color purity and saturation. Additionally, the fabricated metamaterials can be protected by a transparent polymer thin layer for ambient use with further improved color performance. The demonstrated structural color printing with aluminum plasmonic metamaterials offers great potential for relevant applications such as security marking and information storage.

  1. Microwave Excitation In ECRIS plasmas

    SciTech Connect (OSTI)

    Ciavola, G.; Celona, L.; Consoli, F.; Gammino, S.; Maimone, F.; Barbarino, S.; Catalano, R. S.; Mascali, D.; Tumino, L.

    2007-09-28

    A number of phenomena related to the electron cyclotron resonance ion sources (ECRIS) has been better understood recently by means of the improvement of comprehension of the coupling mechanism between microwave generators and ECR plasma. In particular, the two frequency heating and the frequency tuning effect, that permit a remarkable increase of the current for the highest charge states ions, can be explained in terms of modes excitation in the cylindrical cavity of the plasma chamber. Calculations based on this theoretical approach have been performed, and the major results will be presented. It will be shown that the electric field pattern completely changes for a few MHz frequency variations and the changes in ECRIS performances can be correlated to the efficiency of the power transfer between electromagnetic field and plasma.

  2. Excited Baryons in Holographic QCD

    SciTech Connect (OSTI)

    de Teramond, Guy F.; /Costa Rica U.; Brodsky, Stanley J.; /SLAC /Southern Denmark U., CP3-Origins

    2011-11-08

    The light-front holographic QCD approach is used to describe baryon spectroscopy and the systematics of nucleon transition form factors. Baryon spectroscopy and the excitation dynamics of nucleon resonances encoded in the nucleon transition form factors can provide fundamental insight into the strong-coupling dynamics of QCD. The transition from the hard-scattering perturbative domain to the non-perturbative region is sensitive to the detailed dynamics of confined quarks and gluons. Computations of such phenomena from first principles in QCD are clearly very challenging. The most successful theoretical approach thus far has been to quantize QCD on discrete lattices in Euclidean space-time; however, dynamical observables in Minkowski space-time, such as the time-like hadronic form factors are not amenable to Euclidean numerical lattice computations.

  3. Exciting careers blending engineering, science, and ecology

    E-Print Network [OSTI]

    Tullos, Desiree

    Exciting careers blending engineering, science, and ecology New Opportunities Making the world incorporate a broad range of biological systems as components, and emphasize mutual improvement of both human

  4. Print

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious Rank EERE:Financing Tool Fits theCommitteeCrystallineReserve | DepartmentFederalPolicymaneras fáciles de

  5. Print

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantityBonneville Power Administration wouldMass mapSpeedingProgram GuidelinesThousandnstx-uMid-AmericaDelegations,

  6. Print

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity ofkandz-cm11 Outreach Home RoomPreservation of Fe(II) by Carbon-Rich Matrices inPrincipal Investigatorsmaneras fáciles de usar

  7. Inkjet printed electronics using copper nanoparticle ink

    E-Print Network [OSTI]

    Kang, Jin Sung; Kim, Hak Sung; Ryu, Jongeun; Thomas Hahn, H.; Jang, Seonhee; Joung, Jae Woo

    2010-01-01

    diagram of drop on demand copper nanoparticle inkjet printerdemand inkjet printing system 2 Experimental details 2.1 Specimen preparation The conductive coppercopper nanoparticles at room temperature. Using drop on demand

  8. [COMMITTEE PRINT] 113TH CONGRESS REPORT

    E-Print Network [OSTI]

    Energy Programs: 00 00 Energy Efficiency and Renewable Energy ................................. 00 0087­057 [COMMITTEE PRINT] 113TH CONGRESS REPORT " !HOUSE OF REPRESENTATIVES2d Session 113­ ENERGY ............................................... 00 00 Policy and Administration .......................................................... 00 00

  9. U.S. GOVERNMENT PRINTING OFFICE WASHINGTON

    E-Print Network [OSTI]

    Heller, Don

    U.S. GOVERNMENT PRINTING OFFICE WASHINGTON : For sale by the Superintendent of Documents, U­1800 Fax: (202) 512­2250 Mail: Stop SSOP, Washington, DC 20402­0001 90-136 PDF 2004 H.R. 3039

  10. E-print Network : User Account

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    New Search | My Selections (0) | | | | Alerts | E-print Network Create User Account User Name: Email Address: I want to: Always receive emails Receive emails if there are new...

  11. printed on recycled paper INDUSTRIAL ASSESSMENT CENTER

    E-Print Network [OSTI]

    printed on recycled paper INDUSTRIAL ASSESSMENT CENTER ENERGY EFFICIENCY, POLLUTION PREVENTION, AND PRODUCTIVITY IMPROVEMENT ASSISTANCE FOR INDUSTRY A U.S. DEPARTMENT OF ENERGY SPONSORED PROGRAM INDUSTRIAL STATE UNIVERSITY Industrial Assessment Center Department of Mechanical Engineering Fort Collins

  12. Digital imaging tracing technology for print media 

    E-Print Network [OSTI]

    Milne, Stewart William

    1997-01-01

    This thesis examines and analyzes the existing state of digital technology use in print media and the attitudes of those using the technology to develop a technology that would help prevent the unethical manipulation of ...

  13. ETD Signature Form Print Name____________________________________________________________ ID # 800_____________________

    E-Print Network [OSTI]

    Jiang, Jiancheng

    April 2013 ETD Signature Form Print Name Charlotte ETD archives with the following status (choose one): ___ 1. Worldwide Access following the date in electronic format (ETD) and agree to abide by the statements above regarding the access option selected

  14. Printed Name: Page 1 of 6

    E-Print Network [OSTI]

    Walba, David

    print your name on each page of the exam. H He Li Be B C N O F Na Mg Al Si P S Ne Cl Ar Br I 1 2 3 4 5 6Printed Name: Page 1 of 6 CHEM 3311-100, Fall 2013 Professor Walba First Hour Exam September 24: ________________________________ Recitation day and time: _____________________________ This is a closed-book exam. The use of notes

  15. Printed Name: Page 1 of 7

    E-Print Network [OSTI]

    Walba, David

    print your name on each page of the exam. H He Li Be B C N O F Na Mg Al Si P S Ne Cl Ar Br I 1 2 3 4 5 6Printed Name: Page 1 of 7 CHEM 3311-100, Fall 2013 Professor Walba Second Hour Exam October 22: ________________________________ Recitation day and time: _____________________________ This is a closed-book exam. The use of notes

  16. Printed Name: Page 1 of 8

    E-Print Network [OSTI]

    Walba, David

    print your name on each page of the exam. H He Li Be B C N O F Na Mg Al Si P S Ne Cl Ar Br I 1 2 3 4 5 6Printed Name: Page 1 of 8 CHEM 3311-100, Fall 2013 Professor Walba Third Hour Exam November 19: ________________________________ Recitation day and time: _____________________________ This is a closed-book exam. The use of notes

  17. Printed Name: Page 1 of 9

    E-Print Network [OSTI]

    Walba, David

    print your name on each page of the exam. H He Li Be B C N O F Na Mg Al Si P S Ne Cl Ar Br I 1 2 3 4 5 6Printed Name: Page 1 of 9 CHEM 3311 (300), Fall 2014 Professor Walba Third Hour Exam November 18: _____________________________ Recitation day and time: __________________________ This is a closed-book exam. The use of notes, calculators

  18. FSU Office of Research Program in Interdisciplinary Computing (PIC) What is 3D printing?

    E-Print Network [OSTI]

    Ronquist, Fredrik

    (PIC) What is 3D printing? 3D printing is a process of making. 3D printing is distinct from traditional machining techniques, which mostly organs, meat, circuit boards and batteries. 3D printing impacts nearly every

  19. Comparative study on copper leaching from waste printed circuit boards by typical ionic liquid acids

    E-Print Network [OSTI]

    Chen, M; Huang, J; Ogunseitan, OA; Zhu, N; Wang, YM

    2015-01-01

    the technology acceptance for dismantling of waste printedL.L. , 2013. A novel dismantling process of waste printed

  20. Vibrationally excited molecular hydrogen near Herschel 36

    SciTech Connect (OSTI)

    Rachford, Brian L. [Department of Physics, Embry-Riddle Aeronautical University, 3700 Willow Creek Road, Prescott, AZ 86301-3720 (United States); Snow, Theodore P. [Center for Astrophysics and Space Astronomy, Department of Astrophysical and Planetary Sciences, University of Colorado, Boulder, CO 80309-0389 (United States); Ross, Teresa L., E-mail: rachf7ac@erau.edu [Department of Astronomy, New Mexico State University, Las Cruces, NM 88003-8001 (United States)

    2014-05-10

    We present the first high resolution UV spectra toward Herschel 36, a Trapezium-like system of high-mass stars contained within the Lagoon Nebula (M8, NGC 6523). The spectra reveal extreme rovibrational excitation of molecular hydrogen in material at a single velocity or very small range of velocities, with this component presumably lying near the star system and undergoing fluorescent excitation. The overall H{sub 2} excitation is similar to, but apparently larger than, that seen toward HD 37903 which previously showed the largest vibrationally excited H{sub 2} column densities seen in UV absorption spectra. While the velocities of the highly excited H{sub 2} lines are consistent within each observation, it appears that they underwent a ?60 km s{sup –1} redshift during the 3.6 yr between observations. In neither case does the velocity of the highly excited material match the velocity of the bulk of the line-of-sight material which appears to mostly be in the foreground of M8. Recent work shows unusually excited CH and CH{sup +} lines and several unusually broad diffuse interstellar bands toward Herschel 36. Along with the H{sub 2} excitation, all of these findings appear to be related to the extreme environment within ?0.1 pc of the massive young stellar system.

  1. Introduction The CLAS Excited Baryon Program

    E-Print Network [OSTI]

    Credé, Volker

    Conference Montpellier, 07/08/2008 V. Credé Overview of CLAS Physics #12;Introduction The CLAS Excited Baryon Program The CLAS Polarization Program Summary and Outlook Outline 1 Introduction Physics with the CLAS. Credé Overview of CLAS Physics #12;Introduction The CLAS Excited Baryon Program The CLAS Polarization

  2. Study of excited nucleons and their structure

    SciTech Connect (OSTI)

    Burkert, Volker D. [JLAB, Newport News, VA (United States)

    2014-01-01

    Recent advances in the study of excited nucleons are discussed. Much of the progress has been achieved due to the availability of high precision meson production data in the photoproduction and electroproduction sectors, the development of multi-channel partial wave analysis techniques, and advances in Lattice QCD with predictions of the full excitation spectrum.

  3. Energy Department Unveils 3D-Printed Building; New Initiatives...

    Office of Environmental Management (EM)

    Unveils 3D-Printed Building; New Initiatives During Industry Day Energy Department Unveils 3D-Printed Building; New Initiatives During Industry Day October 1, 2015 - 12:25pm...

  4. Characterizing tensile loading responses of 3D printed samples

    E-Print Network [OSTI]

    Haid, Christopher M

    2014-01-01

    An experimental study was performed to characterize the loading response of samples manufactured through 3D printing. Tensile testing was performed on a number of 3D printed samples created through Fused Filament Fabrication ...

  5. Reactive binders for metal parts produced by Three Dimensional Printing

    E-Print Network [OSTI]

    Yoo, Helen Jean

    1997-01-01

    Three Dimensional Printing (3DP) is a solid free form fabrication process which enables the construction of parts directly from computer-aided design (CAD) models. In the current process, metal parts are produced by printing ...

  6. Mechanical testing of rapid-prototyping refractory ceramic print media

    E-Print Network [OSTI]

    Martin, Rachel (Rachel M.)

    2013-01-01

    Additively manufactured (3D-printed) refractory alumina-silica ceramics were mechanically tested to ascertain their ultimate tensile strengths and observed to determine their dimensional consistency over the printing and ...

  7. Gas cushion control of OVJP print head position

    DOE Patents [OSTI]

    Forrest, Stephen R

    2014-10-07

    An OVJP apparatus and method for applying organic vapor or other flowable material to a substrate using a printing head mechanism in which the print head spacing from the substrate is controllable using a cushion of air or other gas applied between the print head and substrate. The print head is mounted for translational movement towards and away from the substrate and is biased toward the substrate by springs or other means. A gas cushion feed assembly supplies a gas under pressure between the print head and substrate which opposes the biasing of the print head toward the substrate so as to form a space between the print head and substrate. By controlling the pressure of gas supplied, the print head separation from the substrate can be precisely controlled.

  8. Laser-excited acoustic oscillations in silver and bismuth nanowires 

    E-Print Network [OSTI]

    Jerebtsov, Sergey N.; Kolomenskii, Alexandre A.; Liu, Haidong; Zhang, Hong; Ye, Zuxin; Luo, Zhiping; Wu, Wenhao; Paulus, Gerhard G.; Schuessler, Hans A.

    2007-01-01

    . The electronic and lattice contributions to the excitation of coherent acoustic phonons are described using a two-temperature model. The excitation is performed at different laser fluences, and the high density of optically induced excitations modifies the state...

  9. Effects of shear flows on nonlinear waves in excitable media

    E-Print Network [OSTI]

    Biktashev, Vadim N.

    and cardiac muscle, morphogenesis in the slime mold [1] and in population dynamics [2]. An excitable system is a con­ sequence of muscle contraction which is triggered by excitation, and excitation propagation may

  10. Dynamics of multiphoton excitation and quantum diffusion in Rydberg atoms

    E-Print Network [OSTI]

    Chu, Shih-I; Wang, Kwanghsi

    1989-02-15

    with a different excitation mechanism. In this paper, we emphasize the study of the two major excitation mechanisms: quantum diffusion and multiphoton resonant excitation. The region dominated by quantum diffusion lies in the frequency range ?c

  11. Structural Optimization and 3D Printing Robert V. Kohn

    E-Print Network [OSTI]

    Structural Optimization and 3D Printing Robert V. Kohn Courant Institute, NYU SIAM CS&E Meeting, March 2015 Robert V. Kohn Structural Optimization and 3D Printing #12;Outline Mandate: identify areas with interesting open questions. Hence 3D printing and structural optimization. My involvement began

  12. 3D Printing of Functional and Biological Materials

    E-Print Network [OSTI]

    ! 3D Printing of Functional and Biological Materials Jennifer A. Lewis Wyss Professor)! Multimaterial 3D printing ! #12;3D antennas! Li ion microbatteries! Lightweight microlattices!Flexible sensors! 3D Printing of Integrated Electronic Devices ! #12;20 nm average , 5 ­ 50 nm

  13. TRANSCONTINENTAL PRINTING INC.: FULL SCALE DEMONSTRATION OF A

    E-Print Network [OSTI]

    #12;TRANSCONTINENTAL PRINTING INC.: FULL SCALE DEMONSTRATION OF A TREATMENT TECHNOLOGY TO REDUCE Prevention Section Environment Canada 224 West Esplanade North Vancouver, B.C. V7M 3H7 #12;Transcontinental at the Transcontinental Printing facility in Delta, BC. At the time of writing, Transcontinental was the only printing

  14. Exciting Imperfection Real-structure effects in

    E-Print Network [OSTI]

    Schleife, André

    . . . . . . . . . . . . . . . . . 33 4 Ideal MgO, ZnO, and CdO 34 4.1 One-particle excitations dielectric function . . . . . . . . . . . . . . . . . . . . . . . 21 2.4.4 Screening in heavily doped

  15. Mode Selective Excitation Using Coherent Control Spectroscopy

    SciTech Connect (OSTI)

    Singh, Ajay K.; Konradi, Jakow; Materny, Arnulf; Sarkar, Sisir K.

    2008-11-14

    Femtosecond time-resolved coherent anti-Stokes Raman scattering (fs-CARS) gives access to ultrafast molecular dynamics. However, femtosecond laser pulses are spectrally broad and therefore coherently excite several molecular modes. While the temporal resolution is high, usually no mode-selective excitation is possible. This paper demonstrates the feasibility of selectively exciting specific molecular vibrations in solution phase with shaped fs laser excitation using a feedback-controlled optimization technique guided by an evolutionary algorithm. This approach is also used to obtain molecule-specific CARS spectra from a mixture of different substances. The optimized phase structures of the fs pulses are characterized to get insight into the control process. Possible applications of the spectrum control are discussed.

  16. Bound excited states in 27F

    SciTech Connect (OSTI)

    Elekes, Z.; Dombradi, Zs.; Fueloep, Zs. [Institute of Nuclear Research of the Hungarian Academy of Sciences, P.O. Box 51, Debrecen H-4001 (Hungary); Saito, A.; Baba, H.; Iwasaki, H.; Notani, M.; Ohnishi, T. K.; Ong, H. J.; Sakurai, H.; Shimoura, S.; Tamaki, M. [University of Tokyo, Tokyo 1130033 (Japan); Aoi, N.; Imai, N.; Ishihara, M.; Kishida, T.; Kubo, T.; Michimasa, S.; Minemura, T.; Motobayashi, T. [Institute of Physical and Chemical Research, 2-1 Hirosawa, Wako, Saitama 351-0198 (Japan)] (and others)

    2006-03-13

    The 1H(27F,25,26,27F) reactions have been studied at 40 MeV/nucleon average energy using a liquid hydrogen target. For 25F, 26F and 27F nuclei, we have observed two {gamma}-ray peaks each originating from the decay of two bound excited states. This is the first sign of the existence of bound excited states in 26,27F. The presence of a single bound excited state in 27F is a clear indication of a substantial change in the structure of the fluorine isotopes approaching the neutron dripline. The proposed second excited states in 25,26,27F nuclei have no counterparts in either the psd or the sdpf shell model calculations suggesting the appearance of nuclear structure effects lying out of these model spaces.

  17. Rotational excitation of CH+ by electron impact

    E-Print Network [OSTI]

    Chu, Shih-I; Dalgarno, A.

    1974-09-01

    The cross sections for the rotational excitation of polar diatomic molecular ions by electron impact are formulated within the Coulomb-Born approximation. The cross sections are finite at threshold. Explicit calculations ...

  18. Fabrication of glucose biosensors by inkjet printing

    E-Print Network [OSTI]

    Wang, Tianming; Serban, Simona; Ali, Tarif; Drago, Guido; Derby, Brian

    2012-01-01

    Inkjet printing has been used to fabricate glucose sensors using glucose oxidase and screen printed carbon electrodes. By appropriate selection of printing and drying conditions we are able to fabricate sensor structures that show a good linear response to glucose concentration. In order to achieve these structures we must carefully control the spreading and drying of the enzyme solution on the carbon electrode. Carbon electrode suirfaces are hydrophobic and Triton X was used as a surfactant to allow full coverage of the electrode surface. During drying, under ambient conditions the enzyme solution segregates to form a ring deposit (coffee staining). Coffee staining is shown to be deleterious to sensor performance and it can be removed by drying in a reduced humidity environment.

  19. Fast pulsed excitation wiggler or undulator

    DOE Patents [OSTI]

    van Steenbergen, Arie (Shoreham, NY)

    1990-01-01

    A fast pulsed excitation, electromagnetic undulator or wiggler, employing geometrically alternating substacks of thin laminations of ferromagnetic material, together with a single turn current loop excitation of the composite assembly, of such shape and configuration that intense, spatially alternating, magnetic fields are generated; for use as a pulsed mode undulator or wiggler radiator, for use in a Free Electron Laser (FEL) type radiation source or, for use in an Inverse Free Electron Laser (IFEL) charged particle accelerator.

  20. ILC Treatment of JLab Cavity Garners Exciting Result | Jefferson...

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    https:www.jlab.orgnewsarticlesilc-treatment-jlab-cavity-garners-exciting-result ILC Treatment of JLab Cavity Garners Exciting Result Accelerator cavity HG-6 was...

  1. Guidelines on Distribution of Printed Material on the LSU Campus Distribution of literature and other printed material on campus is governed by

    E-Print Network [OSTI]

    Harms, Kyle E.

    Guidelines on Distribution of Printed Material on the LSU Campus Distribution of literature and other printed material on campus is governed by several and PS-06 on Solicitation of Advertisement. Because distribution of printed material

  2. PRINT ONLY: GLOBAL WARMING Alexeev V. A.

    E-Print Network [OSTI]

    Rathbun, Julie A.

    PRINT ONLY: GLOBAL WARMING Alexeev V. A. Global Warming: 0.6°C or Less? [#1035] The peculiarities of global warming on the Earth during the last century are discussed. Lunar and Planetary Science XXXVIII (2007) full818.pdf #12;GLOBAL WARMING: 0.6 OR LESS? V.A.Alexeev; Vernadsky Institute of Geochemistry

  3. 3D Printing Prof. Hank Dietz

    E-Print Network [OSTI]

    Dietz, Henry G. "Hank"

    #12;Our 3D Printer It's a MakerGear M2, cost about $1700 We extrude 1.75mm diameter PLA filament3D Printing Prof. Hank Dietz TCMS, March 14, 2014 University of Kentucky Electrical & Computer/Craft: paper moves in Y, knife in X EDM/Laser: X/Y bed, vaporizes material #12;Subtractive 3D CNC: Computer

  4. Print this Page Close The nuclear deal

    E-Print Network [OSTI]

    league. B At least in the eyes of the United States, India is now a nuclear weapons state. The gamble 'Entity List', which was drawn up outside the non-proliferation laws after our nuclear weapon testsPrint this Page Close The nuclear deal July 20, 2005 | 19:05 ISTT P Sreenivasan | y assuming

  5. U.S. GOVERNMENT PRINTING OFFICE WASHINGTON

    E-Print Network [OSTI]

    U.S. GOVERNMENT PRINTING OFFICE WASHINGTON : For sale by the Superintendent of Documents, U­1800 Fax: (202) 512­2104 Mail: Stop IDCC, Washington, DC 20402­0001 52­894PDF 2010 THE NEXT GENERATION WU, Oregon BRIAN BAIRD, Washington BRAD MILLER, North Carolina DANIEL LIPINSKI, Illinois GABRIELLE

  6. ISSN 0104-6632 Printed in Brazil

    E-Print Network [OSTI]

    Grossmann, Ignacio E.

    ISSN 0104-6632 Printed in Brazil www.abeq.org.br/bjche Vol. 27, No. 03, pp. 000 - 000, July, Brazil, and published in Computer Aided Chemical Engineering, vol. 27, p. 1917-1922. Brazilian Journal-909, Rio de Janeiro - RJ, Brazil. E-mail: ofelia@eq.ufrj.br (Submitted: December 1, 2009 ; Revised: June 1

  7. Printed on Recycled Paper United States

    E-Print Network [OSTI]

    the Clean Air Act, further tightening emission standards. The NOx standard is set at 0.6 gpm for cars1 Emission Facts Printed on Recycled Paper United States Environmental Protection Agency Air and Radiation EPA420-F-99-017 May 1999 Office of Mobile Sources The History of Reducing Tailpipe Emissions 1970

  8. U.S. GOVERNMENT PRINTING OFFICE WASHINGTON

    E-Print Network [OSTI]

    .S. Government Printing Office Internet: bookstore.gpo.gov Phone: toll free (866) 512­1800; DC area (202) 512 RESOURCES JEFF BINGAMAN, New Mexico, Chairman DANIEL K. AKAKA, Hawaii BYRON L. DORGAN, North Dakota RON TESTER, Montana PETE V. DOMENICI, New Mexico LARRY E. CRAIG, Idaho CRAIG THOMAS, Wyoming LISA MURKOWSKI

  9. Printing a poster? Make an appointment!

    E-Print Network [OSTI]

    Niebur, Ernst

    Formats, click on PNG Change the Resolution to 150 dpi Click Save. #12;In PowerPoint: File Print Select new window that pops up: Change Document Title Click Save Under the Save as Type drop down menu, select PNG Click Save Check your output image for correct orientation and layout. If incorrect, change

  10. NUSTAR User Guide Print Grade Roster

    E-Print Network [OSTI]

    Fleming, Andrew J.

    . Enter the Term and select Final next to Grade Roster. 3. For a school based report, select the Academic by the Head of School Pawthway: Curriculum Management> Grading>Print Grade Roster 1. Click the Search button for a specific class, click the Specific Class option and enter the desired information into the Class Nbr field

  11. Empowering the Industrial Internet of Things with 3D Printed Sensors and Antennas

    E-Print Network [OSTI]

    Das, Suman

    3/23/15 1 Empowering the Industrial Internet of Things with 3D Printed Sensors and Antennas Optomec Enabling Technology for the IIoT 9 Fully Print 3D Parts or Print-on 3Dtm Parts · Print Structural-process (dry, cure, sinter...) Part § Fine line traces § 3D Conformal printing § Interconnects § Embedded

  12. Title Format and Order Type AAS History Series Print; Serial Standing Order

    E-Print Network [OSTI]

    Clayton, Dale H.

    Title Format and Order Type AAS History Series Print; Serial Standing Order Advanced Series in Astrophysics and Cosmology Continuation/Print Monograph Standing Order Akzente Print, Serial Alexander Lectures Continuation/Print Monograph Standing Order, Discontinued? Annales de démographie historique Print, Serial

  13. Electronic-excitation energy transfer in heterogeneous dye solutions under laser excitation

    SciTech Connect (OSTI)

    Levshin, L.V.; Mukushev, B.T.; Saletskii, A.M.

    1995-10-01

    An experimental study has been made of electronic-excitation energy transfer (EEET) among dye molecules of different types for different exciting-fight wavelengths and temperatures. Upon selective laser excitation of the donor, the inhomogeneous broadening of molecular levels increases the probability of EEET from the donor to acceptor molecules. The efficiency of this process is directly proportional to the acceptor molecule concentration and is temperature dependent. The EEET is accompanied by the spectral migration of energy among donor molecules, which reduces the fluorescence quantum efficiency of the donor. Increasing the frequency of the exciting light decreases in the donor fluorescence quantum efficiency. An increase in the acceptor molecule concentration results in a decrease of the spectral migration of excitation in the donor molecule system. 5 refs., 5 figs.

  14. Collisional quenching of highly rotationally excited HF

    E-Print Network [OSTI]

    Yang, Benhui; Forrey, R C; Stancil, P C; Balakrishnan, N

    2015-01-01

    Collisional excitation rate coefficients play an important role in the dynamics of energy transfer in the interstellar medium. In particular, accurate rotational excitation rates are needed to interpret microwave and infrared observations of the interstellar gas for nonlocal thermodynamic equilibrium line formation. Theoretical cross sections and rate coefficients for collisional deexcitation of rotationally excited HF in the vibrational ground state are reported. The quantum-mechanical close-coupling approach implemented in the nonreactive scattering code MOLSCAT was applied in the cross section and rate coefficient calculations on an accurate 2D HF-He potential energy surface. Estimates of rate coefficients for H and H$_2$ colliders were obtained from the HF-He collisional data with a reduced-potential scaling approach. The calculation of state-to-state rotational quenching cross sections for HF due to He with initial rotational levels up to $j=20$ were performed for kinetic energies from 10$^{-5}$ to 15000...

  15. Excited state contamination in nucleon structure calculations

    E-Print Network [OSTI]

    Jeremy Green; Stefan Krieg; John Negele; Andrew Pochinsky; Sergey Syritsyn

    2011-11-28

    Among the sources of systematic error in nucleon structure calculations is contamination from unwanted excited states. In order to measure this systematic error, we vary the operator insertion time and source-sink separation independently. We compute observables for three source-sink separations between 0.93 fm and 1.39 fm using clover-improved Wilson fermions and pion masses as low as 150 MeV. We explore the use of a two-state model fit to subtract off the contribution from excited states.

  16. Review: 3D Printing: Social and Cultural Trajectories Symposium -3D Printing Industry http://3dprintingindustry.com/2013/12/11/review-3d-printing-social-cultural-trajectories-symposium/[12/12/2013 11:25:00 AM

    E-Print Network [OSTI]

    Review: 3D Printing: Social and Cultural Trajectories Symposium - 3D Printing Industry http://3dprintingindustry.com/2013/12/11/review-3d-printing-social-cultural-trajectories-symposium/[12/12/2013 11:25:00 AM] Review: 3D Printing: Social and Cultural Trajectories Symposium BY ANGELA DALY & DARCY ALLEN ON WED

  17. Atomic and Molecular Fluorescence Excited by Photodissociation

    E-Print Network [OSTI]

    electron impact processes are compared with photodissociation. A bibliography of photo dissociation the strength a n d shape of fluorescence lines that arise from excited fragments produced in molecular photo more critical. T h e D o p p l e r width of the emission is important, however, since a larger width

  18. Contemporary continuum QCD approaches to excited hadrons

    E-Print Network [OSTI]

    Bruno El-Bennich; Eduardo Rojas

    2015-11-06

    Amongst the bound states produced by the strong interaction, radially excited meson and nucleon states offer an important phenomenological window into the long-range behavior of the coupling constant in Quantum Chromodynamics. We here report on some technical details related to the computation of the bound state's eigenvalue spectrum in the framework of Bethe-Salpeter and Faddeev equations.

  19. Excitation system for rotating synchronous machines

    DOE Patents [OSTI]

    Umans, Stephen D. (Belmont, MA); Driscoll, David J. (South Euclid, OH)

    2002-01-01

    A system for providing DC current to a rotating superconducting winding is provided. The system receives current feedback from the superconducting winding and determines an error signal based on the current feedback and a reference signal. The system determines a control signal corresponding to the error signal and provides a positive and negative superconducting winding excitation voltage based on the control signal.

  20. Pedestrian excitation of bridges D E Newland

    E-Print Network [OSTI]

    Newland, David E.

    Pedestrian excitation of bridges D E Newland Department of Engineering, University of Cambridge caused by moving pedestrians. The phenomenon of `synchronization' by which people respond naturally to high vibration levels. The main assumption is that the movement of a pedestrian's centre of mass has

  1. Contemporary continuum QCD approaches to excited hadrons

    E-Print Network [OSTI]

    Bruno El-Bennich; Eduardo Rojas

    2015-09-09

    Amongst the bound states produced by the strong interaction, radially excited meson and nucleon states offer an important phenomenological window into the long-range behavior of the coupling constant in Quantum Chromodynamics. We here report on some technical details related to the computation of the bound state's eigenvalue spectrum in the framework of Bethe-Salpeter and Faddeev equations.

  2. Dynamic testing of polydimethylsiloxane for applications in micro-contact roll printing

    E-Print Network [OSTI]

    Benjaminson, Emma Claire

    2014-01-01

    Micro-contact roll printing is an emerging alternative to photolithography as a means of cheaply manufacturing MEMS devices. Micro-contact roll printing control systems can regulate the printing pressure of a polydimethylsiloxane ...

  3. Evaluation of PC-ISO for customized, 3D printed, gynecologic 192Ir HDR brachytherapy applicators

    E-Print Network [OSTI]

    2015-01-01

    A, Iuliano L, Violante MG. 3D printing technique applied toTengg-Kobligk H, et al. 3D printing based on imaging data:biocompatible, sterilizable 3D printing material, and its

  4. Improvement of 3D Printing Resolution by the Development of Shrinkable Materials

    E-Print Network [OSTI]

    Chia, Helena

    2014-01-01

    derived microstructures by 3D printing: bio-and structuralScaffold development using 3D printing with a starch-basedderived microstructures by 3D printing: bio-and structural

  5. "Printing" Tiny Batteries | U.S. DOE Office of Science (SC)

    Office of Science (SC) Website

    P: (202) 586-5430 06.24.13 "Printing" Tiny Batteries Researchers use sophisticated 3D printing techniques to create batteries the size of a grain of sand. Print Text Size: A A A...

  6. In Situ X-Ray Scattering Helps Optimize Printed Solar Cells

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    In Situ X-Ray Scattering Helps Optimize Printed Solar Cells In Situ X-Ray Scattering Helps Optimize Printed Solar Cells Print Wednesday, 25 February 2015 00:00 Plastic solar cells...

  7. Print-and-Peel Fabrication for Microfluidics: What’s in it for Biomedical Applications?

    E-Print Network [OSTI]

    Thomas, Marlon S.; Millare, Brent; Clift, Joseph M.; Bao, Duoduo; Hong, Connie; Vullev, Valentine I.

    2010-01-01

    have the capability for 3D printing, and hence, for directlyof direct three-dimensional (3D) printing of masters using a3D elements allow for achieving fea- tures, demonstrated with solid-object printing,

  8. Improvement of 3D Printing Resolution by the Development of Shrinkable Materials

    E-Print Network [OSTI]

    Chia, Helena

    2014-01-01

    learned a lot about 3D printing and myself in this processderived microstructures by 3D printing: bio-and structuralScaffold development using 3D printing with a starch-based

  9. A Docking Casette For Printed Circuit Boards

    DOE Patents [OSTI]

    Barringer, Dennis R. (Wallkill, NY); Seminaro, Edward J. (Milton, NY); Toffler, Harold M. (Newburgh, NY)

    2003-08-19

    A docking apparatus for printed circuit boards including a cassette housing, having a housing base, a housing cover and a housing wall, wherein the housing base and the housing wall are disposed relative to each other so as to define a housing cavity for containing a printed circuit board and wherein the housing wall includes a cable opening disposed so as to be communicated with the housing cavity, a linkage mechanism, wherein the linkage mechanism includes an engagement configuration and a disengagement configuration and wherein the linkage mechanism is disposed so as to be associated with the cassette housing and a housing bezel, wherein the housing bezel is disposed relative to the cassette housing so as to be associated with the cable opening.

  10. print_grid() add_vessel()

    E-Print Network [OSTI]

    Sharlin, Ehud

    grid.py print_grid() add_vessel() has_overlap() GRID_WIDTH GRID_HEIGHT NUM_VESSELS B VESSEL_NAMES[] VESSEL_SIZES[] human.py get_location() get_choice() grid_defend[] grid_attack[] import grid ai.py get, return false · add_vessel(grid, row, column, size, direction) ­ Check direction ­ Single for loop (size

  11. Solar paint: From synthesis to printing

    DOE Public Access Gateway for Energy & Science Beta (PAGES Beta)

    Zhou, Xiaojing; Belcher, Warwick; Dastoor, Paul

    2014-11-13

    Water-based polymer nanoparticle dispersions (solar paint) offer the prospect of addressing two of the main challenges associated with printing large area organic photovoltaic devices; namely, how to control the nanoscale architecture of the active layer and eliminate the need for hazardous organic solvents during device fabrication. We review progress in the field of nanoparticulate organic photovoltaic (NPOPV) devices and future prospects for large-scale manufacturing of solar cells based on this technology.

  12. Printed Name: Page 1 of 9

    E-Print Network [OSTI]

    Walba, David

    on each page of the exam. H He Li Be B C N O F Na Mg Al Si P S Ne Cl Ar Br I 1 2 3 4 5 6 7 8 9 10 11 12 13Printed Name: Page 1 of 9 CHEM 3311 (300), Fall 2014 Professor Walba Third Hour Exam November 18: _____________________________ Recitation day and time: __________________________ This is a closed-book exam. The use of notes, calculators

  13. Printed Name: Page 1 of 7

    E-Print Network [OSTI]

    Walba, David

    on each page of the exam. H He Li Be B C N O F Na Mg Al Si P S Ne Cl Ar Br I 1 2 3 4 5 6 7 8 9 10 11 12 13Printed Name: Page 1 of 7 CHEM 3311-100, Fall 2013 Professor Walba Second Hour Exam October 22: ________________________________ Recitation day and time: _____________________________ This is a closed-book exam. The use of notes

  14. Printed Name: Page 1 of 6

    E-Print Network [OSTI]

    Walba, David

    on each page of the exam. H He Li Be B C N O F Na Mg Al Si P S Ne Cl Ar Br I 1 2 3 4 5 6 7 8 9 10 11 12 13Printed Name: Page 1 of 6 CHEM 3311-100, Fall 2013 Professor Walba First Hour Exam September 24: ________________________________ Recitation day and time: _____________________________ This is a closed-book exam. The use of notes

  15. Printed Name: Page 1 of 8

    E-Print Network [OSTI]

    Walba, David

    on each page of the exam. H He Li Be B C N O F Na Mg Al Si P S Ne Cl Ar Br I 1 2 3 4 5 6 7 8 9 10 11 12 13Printed Name: Page 1 of 8 CHEM 3311-100, Fall 2013 Professor Walba Third Hour Exam November 19: ________________________________ Recitation day and time: _____________________________ This is a closed-book exam. The use of notes

  16. DOE fundamentals handbook: Engineering symbology, prints, and drawings. Volume 2

    SciTech Connect (OSTI)

    Not Available

    1993-01-01

    The Engineering Symbology, Prints, and Drawings Handbook was developed to assist nuclear facility operating contractors in providing operators, maintenance personnel, and technical staff with the necessary fundamentals training to ensure a basic understanding of engineering prints, their use, and their function. The handbook includes information on engineering fluid drawings and prints; piping and instrument drawings; major symbols and conventions; electronic diagrams and schematics; logic circuits and diagrams; and fabrication, construction, and architectural drawings. This information will provide personnel with a foundation for reading, interpreting, and using the engineering prints and drawings that are associated with various DOE nuclear facility operations and maintenance.

  17. DOE fundamentals handbook: Engineering symbology, prints, and drawings. Volume 1

    SciTech Connect (OSTI)

    Not Available

    1993-01-01

    The Engineering Symbology, Prints, and Drawings Handbook was developed to assist nuclear facility operating contractors in providing operators, maintenance personnel, and technical staff with the necessary fundamentals training to ensure a basic understanding of engineering prints, their use, and their function. The handbook includes information on engineering fluid drawings and prints; piping and instrument drawings; major symbols and conventions; electronic diagrams and schematics; logic circuits and diagrams; and fabrication, construction, and architectural drawings. This information will provide personnel with a foundation for reading, interpreting, and using the engineering prints and drawings that are associated with various DOE nuclear facility operations and maintenance.

  18. DOE fundamentals handbook: Engineering symbology, prints, and drawings

    SciTech Connect (OSTI)

    Not Available

    1993-01-01

    The Engineering Symbology, Prints, and Drawings Handbook was developed to assist nuclear facility operating contractors in providing operators, maintenance personnel, and technical staff with the necessary fundamentals training to ensure a basic understanding of engineering prints, their use, and their function. The handbook includes information on engineering fluid drawings and prints; piping and instrument drawings; major symbols and conventions; electronic diagrams and schematics; logic circuits and diagrams; and fabrication, construction, and architectural drawings. This information will provide personnel with a foundation for reading, interpreting, and using the engineering prints and drawings that are associated with various DOE nuclear facility operations and maintenance.

  19. Novel 3-D Printed Inverters for Electric Vehicles Can Improve...

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    and Efficiency 3D Printed and Semiconductor Technology 'Mash-up' The General Motors Baltimore Operations facility at White Marsh is producing electric motors for the Chevrolet...

  20. Print of William Parsons, 3rd Earl of Rosse

    E-Print Network [OSTI]

    Smith, Stephen Catterson

    1860-01-01

    Print of a portrait painting of William Parsons, 3rd Earl of Rosse (1800-1867) by Stephen Catterson Smith (1860)...

  1. Print-and-Peel Fabrication for Microfluidics: What’s in it for Biomedical Applications?

    E-Print Network [OSTI]

    Thomas, Marlon S.; Millare, Brent; Clift, Joseph M.; Bao, Duoduo; Hong, Connie; Vullev, Valentine I.

    2010-01-01

    of direct three-dimensional (3D) printing of masters using ahave the capability for 3D printing, and hence, for directly

  2. The Future of Manufacturing Takes Shape: 3D Printed Car on Display...

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    Lead, Advanced Manufacturing Office Additive manufacturing - often referred to as 3D printing - is a revolutionary way to design and build products. Until now, 3D printing has...

  3. Dynamical analysis of highly excited molecular spectra

    SciTech Connect (OSTI)

    Kellman, M.E. [Univ. of Oregon, Eugene (United States)

    1993-12-01

    The goal of this program is new methods for analysis of spectra and dynamics of highly excited vibrational states of molecules. In these systems, strong mode coupling and anharmonicity give rise to complicated classical dynamics, and make the simple normal modes analysis unsatisfactory. New methods of spectral analysis, pattern recognition, and assignment are sought using techniques of nonlinear dynamics including bifurcation theory, phase space classification, and quantization of phase space structures. The emphasis is chaotic systems and systems with many degrees of freedom.

  4. More about excited bottomonium radiative decays

    E-Print Network [OSTI]

    Randy Lewis; R. M. Woloshyn

    2012-09-18

    Radiative decays of bottomonium are revisited, focusing on contributions from higher-order relativistic effects. The leading relativistic correction to the magnetic spin-flip operator at the photon vertex is found to be particularly important. The combination of O(v^6) effects in the nonrelativistic QCD action and in the transition operator moves previous lattice results for excited Upsilon decays into agreement with experiment.

  5. An auto-parametrically excited vibration energy harvester

    E-Print Network [OSTI]

    Jia, Yu; Seshia, Ashwin A.

    2014-01-01

    energy harvesting than the conventional direct excitation. However, unlike directly excited systems, parametric resonance has a minimum threshold amplitude that must be attained prior to its activation. The authors have previously presented the addition...

  6. PARAMETRICALLY-EXCITED MICROELECTROMECHANICAL OSCILLATORS WITH FILTERING CAPABILITIES

    E-Print Network [OSTI]

    Shaw, Steven W.

    This thesis investigates a class of tunable microelectromechanical (MEM) oscillators that can be implemented#12;PARAMETRICALLY-EXCITED MICROELECTROMECHANICAL OSCILLATORS WITH FILTERING CAPABILITIES PARAMETRICALLY-EXCITED MICROELECTROMECHANICAL OSCILLATORS WITH FILTERING CAPABILITIES By Jeffrey Frederick Rhoads

  7. Excitation energy transfer in the photosystem I

    SciTech Connect (OSTI)

    Webber, Andrew N

    2012-09-25

    Photosystem I is a multimeric pigment protein complex in plants, green alage and cyanobacteria that functions in series with Photosystem II to use light energy to oxidize water and reduce carbon dioxide. The Photosystem I core complex contains 96 chlorophyll a molecules and 22 carotenoids that are involved in light harvesting and electron transfer. In eucaryotes, PSI also has a peripheral light harvesting complex I (LHCI). The role of specific chlorophylls in excitation and electron transfer are still unresolved. In particular, the role of so-called bridging chlorophylls, located between the bulk antenna and the core electron transfer chain, in the transfer of excitation energy to the reaction center are unknown. During the past funding period, site directed mutagenesis has been used to create mutants that effect the physical properties of these key chlorophylls, and to explore how this alters the function of the photosystem. Studying these mutants using ultrafast absorption spectroscopy has led to a better understanding of the process by which excitation energy is transferred from the antenna chlorophylls to the electron transfer chain chlorophylls, and what the role of connecting chlorophylls and A_0 chlorophylls is in this process. We have also used these mutants to investigate whch of the central group of six chlorophylls are involved in the primary steps of charge separation and electron transfer.

  8. Excitation Fields in a Superconducting Global String

    E-Print Network [OSTI]

    J. R. Morris

    1995-09-28

    A model of a straight superconducting global cosmic string is examined in a setting wherein the string supports a charge/current pulse described by a travelling wave along the string. Linearized field equations are obtained for fluctuations of the scalar and vector fields of the theory, and a set of approximate particular solutions are found for the case in which the linear charge density and the current of the string have equal magnitudes. Although the equations of motion seem to suggest that the scalar and vector excitation fields are massive inside the string core, the particular solutions show that they behave as effectively massless fields which propagate at the speed of light along the string along with the primary charge/current pulse. The effect of the mass parameter is to modulate the radial profile of the excitation fields. The vector excitation field generates radial and angular components for both the electric and magnetic fields, but the particular solutions do not describe the emission or absorption of electromagnetic radiation from the string.

  9. Charge transfer excitations from excited state Hartree-Fock subsequent minimization scheme

    SciTech Connect (OSTI)

    Theophilou, Iris; Tassi, M.; Thanos, S.

    2014-04-28

    Photoinduced charge-transfer processes play a key role for novel photovoltaic phenomena and devices. Thus, the development of ab initio methods that allow for an accurate and computationally inexpensive treatment of charge-transfer excitations is a topic that nowadays attracts a lot of scientific attention. In this paper we extend an approach recently introduced for the description of single and double excitations [M. Tassi, I. Theophilou, and S. Thanos, Int. J. Quantum Chem. 113, 690 (2013); M. Tassi, I. Theophilou, and S. Thanos, J. Chem. Phys. 138, 124107 (2013)] to allow for the description of intermolecular charge-transfer excitations. We describe an excitation where an electron is transferred from a donor system to an acceptor one, keeping the excited state orthogonal to the ground state and avoiding variational collapse. These conditions are achieved by decomposing the space spanned by the Hartree-Fock (HF) ground state orbitals into four subspaces: The subspace spanned by the occupied orbitals that are localized in the region of the donor molecule, the corresponding for the acceptor ones and two more subspaces containing the virtual orbitals that are localized in the neighborhood of the donor and the acceptor, respectively. Next, we create a Slater determinant with a hole in the subspace of occupied orbitals of the donor and a particle in the virtual subspace of the acceptor. Subsequently we optimize both the hole and the particle by minimizing the HF energy functional in the corresponding subspaces. Finally, we test our approach by calculating the lowest charge-transfer excitation energies for a set of tetracyanoethylene-hydrocarbon complexes that have been used earlier as a test set for such kind of excitations.

  10. Conference Registration Form 1. PARTICIPANT INFORMATION (Print or Type)

    E-Print Network [OSTI]

    Sin, Peter

    Conference Registration Form 1. PARTICIPANT INFORMATION (Print or Type) Last Name Fax Mailing. REGISTRATION FEES *** Rates for Pre-Conference Workshop apply to both members and non-members Print Form Save Email #12;Conference Registration Form Name of Participant 3. PAYMENT SUMMARY Pre-Conference Workshop

  11. Chemical technology news from across RSC Publishing. Printing solar panels

    E-Print Network [OSTI]

    Rogers, John A.

    Publishing Chemical technology news from across RSC Publishing. Printing solar panels 22 January size) silicon microcells that connect together to form flexible solar panels. By stamping hundreds solar panels 2/8/2010http://www.rsc.org/Publishing/ChemTech/Volume/2010/02/printing_solar.asp #12;Page 2

  12. Inkjet-printed Sensors on Paper Substrate for Agricultural Applications

    E-Print Network [OSTI]

    Tentzeris, Manos

    . Tentzeris School of Electrical and Computer Engineeing, Georgia Institute of Technology, GA, USA CNRS to lower the cost of the inkjet-printed electronics. The electrical properties of inkjet-printed silver. It is also one of the cheapest material in the world as well as decomposes completely in nature. Plus

  13. Fabrication of asymmetrically coated colloid particles by microcontact printing techniques

    E-Print Network [OSTI]

    Velev, Orlin D.

    Janus particles,4 non-spherical shaped ``acorn'' particles5,6 and unsymmetrical 3D macromoleculesFabrication of asymmetrically coated colloid particles by microcontact printing techniques Olivier particles by using a microcontact printing technique. Films of water-insoluble ionic surfactants deposited

  14. 3D PRINTING FOR INTELLIGENT METALLIC STRUCTURES M. Strantza1

    E-Print Network [OSTI]

    Boyer, Edmond

    3D PRINTING FOR INTELLIGENT METALLIC STRUCTURES M. Strantza1 , D. De Baere2 , M. Rombouts3 , SSHM system is produced by 3D printing or additive manufacturing. Additive Manufacturing (AM) is a "process to enable its implementation. This work demonstrates the feasibility study of eSHM systems produced by 3D

  15. PAPILLON: Designing Curved Display Surfaces With Printed Optics

    E-Print Network [OSTI]

    Poupyrev, Ivan

    manufac- tured as arbitrary 3D shapes. Flexible displays, such as or- ganic light emitting displays (OLED. It is based on 3D printed optics, where the surface of the display is constructed as a bundle of printed light elements also direct light from the surface of the display back to the image sensor allowing for touch

  16. Transport of ions in a segmented linear Paul trap in printed-circuit-board technology

    E-Print Network [OSTI]

    G. Huber; T. Deuschle; W. Schnitzler; R. Reichle; K. Singer; F. Schmidt-Kaler

    2007-11-19

    We describe the construction and operation of a segmented linear Paul trap, fabricated in printed-circuit-board technology with an electrode segment width of 500 microns. We prove the applicability of this technology to reliable ion trapping and report the observation of Doppler cooled ion crystals of Ca-40 with this kind of traps. Measured trap frequencies agree with numerical simulations at the level of a few percent from which we infer a high fabrication accuracy of the segmented trap. To demonstrate its usefulness and versatility for trapped ion experiments we study the fast transport of a single ion. Our experimental results show a success rate of 99.0(1)% for a transport distance of 2x2mm in a round-trip time of T=20us, which corresponds to 4 axial oscillations only. We theoretically and experimentally investigate the excitation of oscillations caused by fast ion transports with error-function voltage ramps: For a slightly slower transport (a round-trip shuttle within T=30us) we observe non-adiabatic motional excitation of 0.89(15)meV.

  17. SolarPrint | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QA J-E-1 SECTION J APPENDIX ECoop Inc JumpHeter Battery TechnologySocovoltaicCorporationTechnology IncSolarPrint

  18. Toppan Printing Co Ltd | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QA J-E-1 SECTION J APPENDIX ECoop Inc JumpHeterInformation PolicyTinna GroupToppan Printing Co Ltd Jump to:

  19. The photodissociation and reaction dynamics of vibrationally excited molecules

    SciTech Connect (OSTI)

    Crim, F.F. [Univ. of Wisconsin, Madison (United States)

    1993-12-01

    This research determines the nature of highly vibrationally excited molecules, their unimolecular reactions, and their photodissociation dynamics. The goal is to characterize vibrationally excited molecules and to exploit that understanding to discover and control their chemical pathways. Most recently the author has used a combination of vibrational overtone excitation and laser induced fluorescence both to characterize vibrationally excited molecules and to study their photodissociation dynamics. The author has also begun laser induced grating spectroscopy experiments designed to obtain the electronic absorption spectra of highly vibrationally excited molecules.

  20. Computational Light Routing: 3D Printed Optical Fibers For Sensing and Display

    E-Print Network [OSTI]

    applications. Printing optical fibers is made possible by modern multi-material 3D printers. We print twoComputational Light Routing: 3D Printed Optical Fibers For Sensing and Display THIAGO PEREIRA or restrict themselves to light dif- fusion in volumes. We use multi-material 3D printing to fabricate objects

  1. Evaluation of PC-ISO for customized, 3D printed, gynecologic 192Ir HDR brachytherapy applicators

    E-Print Network [OSTI]

    2015-01-01

    biocompatible, thermoplastic, 3D printing material, for useterpolymers family of thermoplastics that are made of three

  2. Hot Melt Inks for 3D Printing Veronika Chovancova*, Alexandra Pekarovicova* and Paul D. Fleming III

    E-Print Network [OSTI]

    Fleming, Paul D. "Dan"

    Hot Melt Inks for 3D Printing Veronika Chovancova*, Alexandra Pekarovicova* and Paul D. Fleming III for 3D printing comprises different waxes, tackifier and plasticizer resins, rheology modifiers, and UV rheological (or flow) behavior. 1 3D printing, direct ink-jet printing, and related approaches such as hot

  3. Electrical characteristics of Harwell 7000 series dataway (Multilayer printed circuit board type 94/40148-6)

    E-Print Network [OSTI]

    Hale, F H

    1970-01-01

    Electrical characteristics of Harwell 7000 series dataway (Multilayer printed circuit board type 94/40148-6)

  4. Collective Excitations in Electron-Hole Bilayers

    SciTech Connect (OSTI)

    Kalman, G. J. [Department of Physics, Boston College, Chestnut Hill, Massachusetts 02467 (United States); Hartmann, P.; Donko, Z. [Research Institute for Solid State Physics and Optics, Hungarian Academy of Sciences, P.O. Box 49, H-1525 Budapest (Hungary); Golden, K. I. [Department of Mathematics and Statistics and Department of Physics, University of Vermont, Burlington, Vermont 05401 (United States)

    2007-06-08

    We report a combined analytic and molecular dynamics analysis of the collective mode spectrum of a bipolar (electron-hole) bilayer in the strong coupling classical limit. A robust, isotropic energy gap is identified in the out-of-phase spectra, generated by the combined effect of correlations and of the excitation of the bound dipoles. In the in-phase spectra we identify longitudinal and transverse acoustic modes wholly maintained by correlations. Strong nonlinear generation of higher harmonics of the fundamental dipole oscillation frequency and the transfer of harmonics between different modes is observed.

  5. Dual excitation acoustic paramagnetic logging tool

    DOE Patents [OSTI]

    Vail, W.B. III.

    1989-02-14

    New methods and apparatus are disclosed which allow measurement of the presence of oil and water in geological formations using a new physical effect called the Acoustic Paramagnetic Logging Effect (APLE). The presence of petroleum in formation causes a slight increase in the earth's magnetic field in the vicinity of the reservoir. This is the phenomena of paramagnetism. Application of an acoustic source to a geological formation at the Larmor frequency of the nucleons present causes the paramagnetism of the formation to disappear. This results in a decrease in the earth's magnetic field in the vicinity of the oil bearing formation. Repetitively frequency sweeping the acoustic source through the Larmor frequency of the nucleons present (approx. 2 kHz) causes an amplitude modulation of the earth's magnetic field which is a consequence of the APLE. The amplitude modulation of the earth's magnetic field is measured with an induction coil gradiometer and provides a direct measure of the amount of oil and water in the excitation zone of the formation. The phase of the signal is used to infer the longitudinal relaxation times of the fluids present, which results in the ability in general to separate oil and water and to measure the viscosity of the oil present. Such measurements may be performed in open boreholes and in cased well bores. The Dual Excitation Acoustic Paramagnetic Logging Tool employing two acoustic sources is also described. 6 figs.

  6. Dual excitation acoustic paramagnetic logging tool

    DOE Patents [OSTI]

    Vail, III, William B. (Bothell, WA)

    1989-01-01

    New methods and apparatus are disclosed which allow measurement of the presence of oil and water in gelogical formations using a new physical effect called the Acoustic Paramagnetic Logging Effect (APLE). The presence of petroleum in formation causes a slight increase in the earth's magnetic field in the vicinity of the reservoir. This is the phenomena of paramagnetism. Application of an acoustic source to a geological formation at the Larmor frequency of the nucleous present causes the paramagnetism of the formation to disappear. This results in a decrease in the earth's magnetic field in the vicinity of the oil bearing formation. Repetitively frequency sweeping the acoustic source through the Larmor frequency of the nucleons present (approx. 2 kHz) causes an amplitude modulation of the earth's magnetic field which is a consequence of the APLE. The amplitude modulation of the earth's magnetic field is measured with an induction coil gradiometer and provides a direct measure of the amount of oil and water in the excitation zone of the formation. The phase of the signal is used to infer the longitudinal relaxation times of the fluids present, which results in the ability in general to separate oil and water and to measure the viscosity of the oil present. Such measurements may be preformed in open boreholes and in cased well bores. The Dual Excitation Acoustic Paramagnetic Logging Tool employing two acoustic sources is also described.

  7. Nuclear polarization effects in Coulomb excitation studies

    E-Print Network [OSTI]

    Orce, Nico

    2015-01-01

    New polarization potentials have been determined based on: 1) the latest photo-neutron cross section evaluation and a missing factor of two in previous work, and 2) the mass dependency of the symmetry energy, $a_{sym}(A)$. The magnitude of the first one is 35\\% stronger than the currently accepted polarization potential. The second one opens up the possibility for a parameter-free polarization potential. Both polarization potentials are essentially the same for heavy nuclei. The polarization effect on quadrupole collectivity is more substantial than previously assumed for light nuclei. Particular cases are discussed where long-standing discrepancies between high-precision Coulomb-excitation and lifetime measurements still remain. A solution to the long-standing discrepancy between $B(E2; 0^+_1\\rightarrow 2^+_1)$ values determined in $^{18}$O by several Coulomb-excitation studies and a high-precision lifetime measurement is provided in favor of the latter. Polarization effects in light nuclei also influence th...

  8. Suitability for 3D Printed Parts for Laboratory Use

    SciTech Connect (OSTI)

    Zwicker, Andrew P.; Bloom, Josh; Albertson, Robert; Gershman, Sophia

    2014-08-01

    3D printing has become popular for a variety of users, from industrial to the home hobbyist, to scientists and engineers interested in producing their own laboratory equipment. In order to determine the suitability of 3D printed parts for our plasma physics laboratory, we measured the accuracy, strength, vacuum compatibility, and electrical properties of pieces printed in plastic. The flexibility of rapidly creating custom parts has led to the 3D printer becoming an invaluable resource in our laboratory and is equally suitable for producing equipment for advanced undergraduate laboratories.

  9. Fission dynamics at low excitation energy. 2

    E-Print Network [OSTI]

    Y. Aritomo; S. Chiba; F. A. Ivanyuk

    2014-11-01

    The mass asymmetry in the fission of U-236 at low excitation energy is clarified by the analysis of the trajectories obtained by solving the Langevin equations for the shape degrees of freedom. It is demonstrated that the position of the peaks in the mass distribution of fission fragments is determined mainly by the saddle point configuration originating from the shell correction energy. The width of the peaks, on the other hand, results from the shape fluctuations close to the scission point caused by the random force in the Langevin equation. We have found out that the fluctuations between elongated and compact shapes are essential for the fission process. According to our results the fission does not occur with continuous stretching in the prolate direction, similarly to that observed in starch syrup, but is accompanied by the fluctuations between elongated and compact shapes. This picture presents a new viewpoint of fission dynamics and the splitting mechanism.

  10. Laser-induced nonresonant nuclear excitation in muonic atoms

    E-Print Network [OSTI]

    A. Shahbaz; C. Müller; T. J. Buervenich; C. H. Keitel

    2008-12-13

    Coherent nuclear excitation in strongly laser-driven muonic atoms is calculated. The nuclear transition is caused by the time-dependent Coulomb field of the oscillating charge density of the bound muon. A closed-form analytical expression for electric multipole transitions is derived and applied to various isotopes; the excitation probabilities are in general very small. We compare the process with other nuclear excitation mechanisms through coupling with atomic shells and discuss the prospects to observe it in experiment.

  11. Beyond 3D Printing: The New Dimensions of Additive Fabrication

    E-Print Network [OSTI]

    Keating, Steven John

    Additive fabrication, often referred to as 3D printing, is the construction of objects by adding material. This stands in contrast to subtractive methods, which involve removing material by means of milling or cutting. ...

  12. 3D-Printed Car by Local Motors- The Strati

    Broader source: Energy.gov [DOE]

    A timelapse video of the production process behind The Strati - the 3D-printed car by Local Motors, which manufactured with Oak Ridge National Laboratory (ORNL) and delivered at the International Manufacturing Technology Show (IMTS) in September of 2014.

  13. Dispenser Printed Zinc Microbattery with an Ionic Liquid Gel Electrolyte

    E-Print Network [OSTI]

    Ho, Christine Chihfan

    2010-01-01

    the energy storage capacity. Since 3D silicon morphologiesenergy storage device on the substrate area surrounding MEMS vibration energy harvesters that were microfabricated onto a siliconsilicon die. (b-d) The dispenser printer deposits a multilayer printed energy storage

  14. Direct printing of lead zirconate titanate thin films

    E-Print Network [OSTI]

    Bathurst, Stephen, 1980-

    2008-01-01

    Thus far, use of lead zirconate titanate (PZT) in MEMS has been limited due to the lack of process compatibility with existing MEMS manufacturing techniques. Direct printing of thin films eliminates the need for photolithographic ...

  15. 3D printing rises to the occasion | ornl.gov

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    3D printing rises to the occasion ORNL group shows how it's done, one layer at a time A perforated metal box produced by an Arcam 3D printer. This detailed A perforated metal box...

  16. Active Printed Materials for Complex Self-Evolving Deformations

    E-Print Network [OSTI]

    Zhao, Wei

    We propose a new design of complex self-evolving structures that vary over time due to environmental interaction. In conventional 3D printing systems, materials are meant to be stable rather than active and fabricated ...

  17. 2013 Santa Sleigh 3D Printing Winner | GE Global Research

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    Engineers Pick Winner of 2013 Santa Sleigh 3D Printing Design Contest Click to email this to a friend (Opens in new window) Share on Facebook (Opens in new window) Click to share...

  18. Instructions to Print Monthly P-card Statement

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    to Print Monthly P-card Statement 1. Go to Website https:gov1.paymentnet.com and login with your Organization ID, User ID and Pass Phrase. Organization ID is doe0001. User ID and...

  19. Power, politics, and prints : redefining art practice in Oaxaca City

    E-Print Network [OSTI]

    Gibson, Hannah Peterkort

    2011-01-01

    camp. Movements such as pop art or new media art have28. nonetheless. While pop-art was based on challengingArts 16 Tallman, Susan. The Contemporary Print: from Pre-Pop

  20. Tungsten carbide-cobalt by Three Dimensional Printing

    E-Print Network [OSTI]

    Kelley, Andrew, III

    1998-01-01

    Three Dimensional Printing is an additive manufacturing process for rapid prototyping ceramic and metallic parts [Sachs, et al, 1990]. Green (not sintered) tungsten carbide-cobalt parts must have a density greater than 50% ...

  1. Printing a Car: A Team Effort in Innovation

    Broader source: Energy.gov [DOE]

    Oak Ridge National Lab's work with Local Motors to build a 3D-printed car was highlighted at the International Manufacturing Technology Show (IMTS) in September 2014 with a live demonstration.

  2. Europe / Brussels briefing Print article | Email article Brussels agenda

    E-Print Network [OSTI]

    Europe / Brussels briefing Print article | Email article Brussels agenda By our Brussels staff commissioner, will relaunch the Europe Direct helpline, as part of a drive to bring the bloc "closer" to its

  3. Extreme slowdowns for one-dimensional excited random walks

    E-Print Network [OSTI]

    2013-12-20

    Dec 20, 2013 ... Rate of growth of a transient cookie random walk. Electron. J. Probab. ... Excited random walk. Electron. Comm. Probab., 8:86–92 (elec- tronic) ...

  4. Singularity in self-energy and composite fermion excitations...

    Office of Scientific and Technical Information (OSTI)

    Singularity in self-energy and composite fermion excitations of interacting electrons Citation Details In-Document Search Title: Singularity in self-energy and composite fermion...

  5. ILC Treatment of JLab Cavity Garners Exciting Result | Jefferson...

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    Cavity Garners Exciting Result Accelerator cavitiy HG-6 was electropolished with a recipe developed by ILC research and custom-tailored here at Jefferson Lab. Accelerator...

  6. Calculation of nuclear reaction cross sections on excited nuclei...

    Office of Scientific and Technical Information (OSTI)

    Calculation of nuclear reaction cross sections on excited nuclei with the coupled-channels method Citation Details In-Document Search Title: Calculation of nuclear reaction cross...

  7. Nuclear Excitation by Electronic Transition of U-235

    E-Print Network [OSTI]

    Chodash, Perry Adam

    2015-01-01

    2.3 Nuclear Excitation by Electronic Transition Theory 2.41.2 Nuclear Nonproliferation . . . . . .M. B. Trzhaskovskaya, “Nuclear internal conversion between

  8. Mathematical modelling and analysis of calcium oscillations in excitable and non-excitable cell lines 

    E-Print Network [OSTI]

    Hegde, Bharati Krishna

    2004-09-30

    Engineering iii ABSTRACT Mathematical Modelling And Analysis of Calcium Oscillations inExcitableandNon-ExcitableCellLines.(May2003) Bharati Krishna Hegde, B.E., University of Pune, India Co?Chairs of Advisory Committee: Dr. Roula Mouneimne Dr. John Criscione... Information is transmitted from the cell surface to various specific targets in the cell via several cellular signaling pathways. Cytosolic free calcium (Ca2+) is one of the most versatile and ubiquitous intracellular messengers since it is able to regulate...

  9. Search for Excited Electrons in ep Collisions at HERA

    E-Print Network [OSTI]

    H1 Collaboration

    2008-05-29

    A search for excited electrons is performed using the full $e^{\\pm}p$ data sample collected by the H1 experiment at HERA, corresponding to a total luminosity of 475 pb$^{-1}$. The electroweak decays of excited electrons ${e}^{*}\\to{e}{\\gamma}$, ${e}^{*}\\to{e}Z$ and ${e}^{*}{\\to}\

  10. Excitation and Decay of Electron Acoustic Waves Francesco Valentini

    E-Print Network [OSTI]

    California at San Diego, University of

    Excitation and Decay of Electron Acoustic Waves Francesco Valentini , Thomas M. O'Neil and Daniel H) simulation is used to investigate the excitation of electron acoustic waves (EAWs) by a driver electric field structures can exist in a plasma even at low amplitude. They called these waves electron-acoustic waves (EAW

  11. Crawling Waves from Radiation Force Excitation ZAEGYOO HAH,1

    E-Print Network [OSTI]

    Parker, Kevin J.

    Crawling Waves from Radiation Force Excitation ZAEGYOO HAH,1 CHRISTOPHER HAZARD,2 YOUNG THUNG CHO1 from focused beams that produce radiation force excitation within the tissue. Some examples are also radiofrequency ablated hepatic lesions in vitro 6,7 to characterize human skeletal muscle in vivo 8, 9

  12. Double beta decay to the excited states: experimental review

    E-Print Network [OSTI]

    A. S. Barabash

    2007-10-11

    A brief review on double beta decay to excited states of daughter nuclei is given. The ECEC(ov) transision to the excited states are discussed in association with a possible enhancement of the decay rate by several orders of magnitude.

  13. Magnetic and electric excitations in split ring resonators

    E-Print Network [OSTI]

    Magnetic and electric excitations in split ring resonators Jiangfeng Zhou1,2,, Thomas Koschny1 studied the electric and magnetic resonances of U-shaped SRRs. We showed that higher order excitation modes exist in both of the electric and magnetic resonances. The nodes in the current distribution were

  14. Regular paper Spectroscopic characterization of the excitation energy transfer

    E-Print Network [OSTI]

    van Stokkum, Ivo

    Regular paper Spectroscopic characterization of the excitation energy transfer in the fucoxanthin-20-5987999) Received 1 December 2004; accepted in revised form 20 January 2005 Key words: excitation energy transfer the energy transfer pathways in the fucoxanthin­chlorophyll protein (FCP) complex of the diatom Cyclotella

  15. Elementary excitations of liquid 4 He in aerogel

    E-Print Network [OSTI]

    Glyde, Henry R.

    Elementary excitations of liquid 4 He in aerogel O. Plantevin and B. Fa°k Commissariat a` l-roton excitations of liquid 4 He immersed in aerogel of 95% porosity have been measured using inelastic neutron.25 K. Aerogel grown with deuterated materials not exposed to air was used and measure- ments in bulk

  16. Multiple excitation regenerative amplifier inertial confinement system

    DOE Patents [OSTI]

    George, Victor E. [Livermore, CA; Haas, Roger A. [Pleasanton, CA; Krupke, William F. [Pleasanton, CA; Schlitt, Leland G. [Livermore, CA

    1980-05-27

    The invention relates to apparatus and methods for producing high intensity laser radiation generation which is achieved through an optical amplifier-storage ring design. One or two synchronized, counterpropagating laser pulses are injected into a regenerative amplifier cavity and amplified by gain media which are pumped repetitively by electrical or optical means. The gain media excitation pulses are tailored to efficiently amplify the laser pulses during each transit. After the laser pulses have been amplified to the desired intensity level, they are either switched out of the cavity by some switch means, as for example an electro-optical device, for any well known laser end uses, or a target means may be injected into the regenerative amplifier cavity in such a way as to intercept simultaneously the counterpropagating laser pulses. One such well known end uses to which this invention is intended is for production of high density and temperature plasmas suitable for generating neutrons, ions and x-rays and for studying matter heated by high intensity laser radiation.

  17. Multiple excitation regenerative amplifier inertial confinement system

    DOE Patents [OSTI]

    George, V.E.; Haas, R.A.; Krupke, W.F.; Schlitt, L.G.

    1980-05-27

    The invention relates to apparatus and methods for producing high intensity laser radiation generation which is achieved through an optical amplifier-storage ring design. One or two synchronized, counterpropagating laser pulses are injected into a regenerative amplifier cavity and amplified by gain media which are pumped repetitively by electrical or optical means. The gain media excitation pulses are tailored to efficiently amplify the laser pulses during each transit. After the laser pulses have been amplified to the desired intensity level, they are either switched out of the cavity by some switch means, as for example an electro-optical device, for any well known laser end uses, or a target means may be injected into the regenerative amplifier cavity in such a way as to intercept simultaneously the counterpropagating laser pulses. One such well known end uses to which this invention is intended is for production of high density and temperature plasmas suitable for generating neutrons, ions and x-rays and for studying matter heated by high intensity laser radiation. 11 figs.

  18. Spectroscopy and reactions of vibrationally excited transient molecules

    SciTech Connect (OSTI)

    Dai, H.L. [Univ. of Pennsylvania, Philadelphia (United States)

    1993-12-01

    Spectroscopy, energy transfer and reactions of vibrationally excited transient molecules are studied through a combination of laser-based excitation techniques and efficient detection of emission from the energized molecules with frequency and time resolution. Specifically, a Time-resolved Fourier Transform Emission Spectroscopy technique has been developed for detecting dispersed laser-induced fluorescence in the IR, visible and UV regions. The structure and spectroscopy of the excited vibrational levels in the electronic ground state, as well as energy relaxation and reactions induced by specific vibronic excitations of a transient molecule can be characterized from time-resolved dispersed fluorescence in the visible and UV region. IR emissions from highly vibrational excited levels, on the other hand, reveal the pathways and rates of collision induced vibrational energy transfer.

  19. Dynamics of nonlinear excitations of helically confined charges

    E-Print Network [OSTI]

    Zampetaki, A V; Schmelcher, P

    2015-01-01

    We explore the long-time dynamics of a system of identical charged particles trapped on a closed helix. This system has recently been found to exhibit an unconventional deformation of the linear spectrum when tuning the helix radius. Here we show that the same geometrical parameter can affect significantly also the dynamical behaviour of an initially broad excitation for long times. In particular, for small values of the radius, the excitation disperses into the whole crystal whereas within a specific narrow regime of larger radii the excitation self-focuses, assuming finally a localized form. Beyond this regime, the excitation defocuses and the dispersion gradually increases again. We analyze this geometrically controlled nonlinear behaviour using an effective discrete nonlinear Schr\\"{o}dinger model, which allows us among others to identify a number of breather-like excitations.

  20. Excitation of the Morse oscillator by an ultrashort chirped pulse

    SciTech Connect (OSTI)

    Astapenko, V. A., E-mail: astval@mail.ru; Romadanovskii, M. S. [Moscow Institute of Physics and Technology (Russian Federation)

    2010-03-15

    The excitation of the classic Morse oscillator by an ultrashort electromagnetic pulse with a linear frequency chirp is studied theoretically. Formulas are derived for the oscillation amplitude and the radiation power averaged over a period as functions of the excitation energy for free oscillations of the Morse oscillator. Analytical expressions for describing the oscillator motion after the end of the pulse are obtained in the harmonic limit. In the general case of arbitrary parameters of the problem, the specific features of an excited Morse oscillator are analyzed numerically. Prominence is given to the effect of chirp on the excitation energy. The consideration is performed in terms of dimensionless variables, which makes it possible to apply the results obtained to a wide range of molecular systems and exciting-pulse parameters.

  1. Print-and-Peel Fabrication for Microfluidics: What’s in it for Biomedical Applications?

    E-Print Network [OSTI]

    Thomas, Marlon S.; Millare, Brent; Clift, Joseph M.; Bao, Duoduo; Hong, Connie; Vullev, Valentine I.

    2010-01-01

    Solid-object printers have the capability for 3D printing,single-step 3D molding without a solid-object printer. 33,763D) printing of masters using a solid-object printer.

  2. Precision control of cylindrical stamp contact in a continuous roll-to-roll microcontact printing machine

    E-Print Network [OSTI]

    Libert, Adam M. (Adam Marcus)

    2014-01-01

    Microcontact printing is a form of soft lithography that uses a molded elastomeric stamp to print patterns with micron and sub-micron scale features. This is an effective low-cost technique for replicating master patterns ...

  3. Using 3D Printing to Redesign Santa's Sleigh | GE Global Research

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    In the past, we've utilized GE technology to redesign Santa's Sleigh and have asked our additive manufacturing researchers to design and print 3D printed Christmas tree...

  4. Toward Nanoscale Three-Dimensional Printing: Nanowalls Built of Electrospun Nanofibers

    E-Print Network [OSTI]

    Kim, Ho-Young

    . This novel 3D printing scheme can be applied to the development of various 3D nanoscale objects including manufacturing for several decades.1 So- called 3D printing is reaching a stage where the desired products can

  5. 3-D Printed Electrically and Optically Paced Skeletal Muscle Based Biological Machines Caroline Cvetkovic, Bioengineering

    E-Print Network [OSTI]

    Kilian, Kristopher A.

    3-D Printed Electrically and Optically Paced Skeletal Muscle Based Biological Machines Caroline Research Aims and Goals · To use 3D printing technologies to fabricate the structure of the biological

  6. Analysis of the capabilities of continuous high-speed microcontact printing

    E-Print Network [OSTI]

    Khanna, Kanika

    2008-01-01

    Microcontact printing uses elastomeric stamps to transfer ink onto a substrate by the process of self-assembly. It has the capability to print features as small as 200nm over large areas. Because of this it has many potential ...

  7. Design and analysis of high-speed continuous micro-contact printing

    E-Print Network [OSTI]

    Shen, Xiao, M. Eng. Massachusetts Institute of Technology

    2008-01-01

    Micro-contact printing ([mu]CP) is a technology that prints directly off a patterned elastomeric stamp by transferring only a molecular monolayer of ink to a surface, providing a low-cost, high resolution and widely ...

  8. Design and manufacturing of high precision roll-to-roll multilayer printing machine -- machine upgrade

    E-Print Network [OSTI]

    Zhu, Yufei

    2009-01-01

    In 2008, a group of MIT Master of Engineering students built a roll to roll machine for printing thiol onto a flexible gold substrate by self-assembly. The machine demonstrated good performance in high speed printing (400 ...

  9. Photo Gallery: 3D Printing Brings Classic Shelby Cobra to Life...

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    Photo Gallery: 3D Printing Brings Classic Shelby Cobra to Life Photo Gallery: 3D Printing Brings Classic Shelby Cobra to Life April 15, 2015 - 4:02pm Addthis Zero to 60 in under...

  10. Evaporative printing of organic materials and metals and development of organic memories

    E-Print Network [OSTI]

    Kang, Sung Hoon, 1974-

    2004-01-01

    The advantages of directed printing make it the ideal fabrication tool for the ubiquitous electronic technologies of the future. However, direct printing techniques such as ink-jet technology, are currently limited to ...

  11. ANU Library | anulib.anu.edu.au October 2013 ANU Print Repository request service

    E-Print Network [OSTI]

    Journals, books and pamphlets held in the ANU Print Repository are available for loan in accordance and pamphlets held in the ANU Print Repository may be requested. The copyright declaration must be completed

  12. Impact of 3D printing on global supply chains by 2020

    E-Print Network [OSTI]

    Bhasin, Varun

    2014-01-01

    This thesis aims to quantitatively estimate the potential impact of 3D Printing on global supply chains. Industrial adoption of 3D Printing has been increasing gradually from prototyping to manufacturing of low volume ...

  13. Band excitation method applicable to scanning probe microscopy

    DOE Patents [OSTI]

    Jesse, Stephen; Kalinin, Sergei V

    2013-05-28

    Methods and apparatus are described for scanning probe microscopy. A method includes generating a band excitation (BE) signal having finite and predefined amplitude and phase spectrum in at least a first predefined frequency band; exciting a probe using the band excitation signal; obtaining data by measuring a response of the probe in at least a second predefined frequency band; and extracting at least one relevant dynamic parameter of the response of the probe in a predefined range including analyzing the obtained data. The BE signal can be synthesized prior to imaging (static band excitation), or adjusted at each pixel or spectroscopy step to accommodate changes in sample properties (adaptive band excitation). An apparatus includes a band excitation signal generator; a probe coupled to the band excitation signal generator; a detector coupled to the probe; and a relevant dynamic parameter extractor component coupled to the detector, the relevant dynamic parameter extractor including a processor that performs a mathematical transform selected from the group consisting of an integral transform and a discrete transform.

  14. Band excitation method applicable to scanning probe microscopy

    DOE Patents [OSTI]

    Jesse, Stephen (Knoxville, TN) [Knoxville, TN; Kalinin, Sergei V. (Knoxville, TN) [Knoxville, TN

    2010-08-17

    Methods and apparatus are described for scanning probe microscopy. A method includes generating a band excitation (BE) signal having finite and predefined amplitude and phase spectrum in at least a first predefined frequency band; exciting a probe using the band excitation signal; obtaining data by measuring a response of the probe in at least a second predefined frequency band; and extracting at least one relevant dynamic parameter of the response of the probe in a predefined range including analyzing the obtained data. The BE signal can be synthesized prior to imaging (static band excitation), or adjusted at each pixel or spectroscopy step to accommodate changes in sample properties (adaptive band excitation). An apparatus includes a band excitation signal generator; a probe coupled to the band excitation signal generator; a detector coupled to the probe; and a relevant dynamic parameter extractor component coupled to the detector, the relevant dynamic parameter extractor including a processor that performs a mathematical transform selected from the group consisting of an integral transform and a discrete transform.

  15. Understanding Wax Printing: A Simple Micropatterning Process for Paper-Based

    E-Print Network [OSTI]

    Prentiss, Mara

    Understanding Wax Printing: A Simple Micropatterning Process for Paper-Based Microfluidics Emanuel a detailed study on wax printing, a simple and inexpensive method for fabricating microfluidic devices in paper using a commercially avail- able printer and hot plate. The printer prints patterns of solid wax

  16. Edit: Study -APP Save | Exit | Hide/Show Errors | Print... | Jump To

    E-Print Network [OSTI]

    Biederman, Irving

    Edit: Study - APP Save | Exit | Hide/Show Errors | Print... | Jump To: 01. Project Guidance Save | Exit | Hide/Show Errors | Print... | Jump To: 01. Project IdentificationStarDev/ResourceAdministration/Project/ProjectEditor?Project=com... 1 #12;Edit: Study - APP- Save | Exit | Hide/Show Errors | Print... | Jump To: 02. Study

  17. Using Bayesian Networks in an Industrial Setting: Making Printing Systems Adaptive

    E-Print Network [OSTI]

    Lucas, Peter

    . For example, in printing systems such characteristics include power di- vision and consumption, the speed of printing, and the quality of the print product. Such trade-offs heavily depend on the system's envi products or low throughput of paper. The problem of adaptability concerns taking actions based on available

  18. Tracking @stemxcomet: Teaching Programming to Blind Students via 3D Printing, Crisis Management, and Twitter

    E-Print Network [OSTI]

    Kane, Shaun K.

    r Tracking @stemxcomet: Teaching Programming to Blind Students via 3D Printing, Crisis Management such as 3D printing offer an opportunity for students to write programs that produce tactile objects and suggests future directions for integrating data analysis and 3D printing into programming instruction

  19. Bridging the Gap: Automated Steady Scaffoldings for 3D Printing Jrmie Dumas

    E-Print Network [OSTI]

    Lévy, Bruno

    Bridging the Gap: Automated Steady Scaffoldings for 3D Printing Jérémie Dumas Université de Figure 1: The upper leg of the Poppy robot (www.poppy-project.org) cannot be 3D printed on low cost FDM usage. Abstract Fused Filament Fabrication (FFF) is the process of 3D printing ob- jects from melted

  20. Manipulating complex network structures in virtual reality and 3D printing of the results

    E-Print Network [OSTI]

    Verschure, Paul

    Manipulating complex network structures in virtual reality and 3D printing of the results Alberto the results at any time for direct 3D printing. 1. INTRODUCTION Although its first appearance on the market can be tracked up to three decades ago, stereolithography (also known as 3D printing) has become

  1. Custom 3D-Printed Rollers for Frieze Pattern Cookies Robert Hanson

    E-Print Network [OSTI]

    Custom 3D-Printed Rollers for Frieze Pattern Cookies Robert Hanson Towson University, Emeritus a method for converting images of repeating patterns, e.g., Roman friezes or Escher tessellations, into 3D-printed the world of mathematics and the art of cooking. Fractal cookies based on stretching and folding [1] and 3D-printed

  2. Effect of viscoelasticity on liquid transfer during gravure printing Ashwin K. Sankaran, Jonathan P. Rothstein

    E-Print Network [OSTI]

    Rothstein, Jonathan

    the many existing web coating and printing techniques for large-scale fabrication such as slit, roll, dip]. The primary advantage of roll-to-roll processing that is large areas of coated/printed films can be processed March 2012 Keywords: Viscoelasticity Gravure printing Pickout process Extensional rheology Coating a b

  3. MAE SEMINAR Recent advances in Additive Manufacturing/3D Printing Technologies, Material Science and

    E-Print Network [OSTI]

    Mease, Kenneth D.

    MAE SEMINAR Recent advances in Additive Manufacturing/3D Printing Technologies, Material Science Samueli School of Engineering University of California Irvine 3D printing or Additive Manufacturing in different shapes. 3D printing is also considered distinct from traditional machining techniques, which

  4. Customization and 3D Printing: A Challenging Playground for Software Product Lines

    E-Print Network [OSTI]

    Boyer, Edmond

    Customization and 3D Printing: A Challenging Playground for Software Product Lines Mathieu Acher firstname.lastname@irisa.fr ABSTRACT 3D printing is gaining more and more momentum to build customized. We provide hints that SPL-alike techniques are practically used in 3D printing and thus relevant

  5. Cost-effective Printing of 3D Objects with Skin-Frame Structures Weiming Wang,

    E-Print Network [OSTI]

    Deng, Jiansong

    ; Keywords: 3D printing, fabrication, frame structure, sparsity op- timization Corresponding author: yangzw@ustc.edu.cn (Zhouwang Yang) 1 Introduction Additive manufacturing (3D printing) enables fabrication of physi- cal techniques of 3D printing has received considerable attention for assisting users to generate desired

  6. Graphene Transistors Fabricated via Transfer-Printing In Device Active-Areas

    E-Print Network [OSTI]

    Graphene Transistors Fabricated via Transfer-Printing In Device Active-Areas on Large Wafer Xiaogan graphene islands from a graphite and then uses transfer printing to place the islands from the stamp from the printed graphene. The transistors show a hole and electron mobility of 3735 and 795 cm2/V

  7. Improved E-jet Printing Provides Higher Resolution And More Versatility

    E-Print Network [OSTI]

    Rogers, John A.

    Improved E-jet Printing Provides Higher Resolution And More Versatility Science Daily have established new benchmarks for precision control and resolution in jet-printing processes. "We have invented methods for an electrohydrodynamic jet (e-jet) printing process that can produce patterns

  8. Cluster structures of excited states in $^{14}$C

    E-Print Network [OSTI]

    Tadahiro Suhara; Yoshiko Kanada-En'yo

    2011-03-09

    Structures of excited states in $^{14}$C are investigated with a method of $\\beta$-$\\gamma$ constraint antisymmetrized molecular dynamics in combination with the generator coordinate method. Various excited states with the developed $3\\alpha$-cluster core structures are suggested in positive- and negative-parity states. In the positive-parity states, triaxial deformed and linear-chain structures are found to construct excited bands. Interestingly, $^{10}$Be+$\\alpha$ correlation is found in the cluster states above the $^{10}$Be+$\\alpha$ threshold energy.

  9. Fusion barrier distributions in systems with finite excitation energy

    E-Print Network [OSTI]

    K. Hagino; N. Takigawa; A. B. Balantekin

    1997-06-24

    Eigen-channel approach to heavy-ion fusion reactions is exact only when the excitation energy of the intrinsic motion is zero. In order to take into account effects of finite excitation energy, we introduce an energy dependence to weight factors in the eigen-channel approximation. Using two channel problem, we show that the weight factors are slowly changing functions of incident energy. This suggests that the concept of the fusion barrier distribution still holds to a good approximation even when the excitation energy of the intrinsic motion is finite. A transition to the adiabatic tunneling, where the coupling leads to a static potential renormalization, is also discussed.

  10. A digital-based excitation system for generator voltage control

    SciTech Connect (OSTI)

    D'Antonio, M.J.; Lawson, R.A.; Pearson, W.R. (General Electric Co., Salem, VA (US)); Speer, G.W. (General Electric Canada, Peterborough, Ontario (CA)); Crenshaw, M.L.; Murdoch, A. (GE Industrial and Power Systems, Power Systems Engineering Dept., Schenectady, NY (US))

    1991-01-01

    Excitation systems have evolved over the years as new technology is introduced, offering easier implementations, higher reliability, less maintenance, enhanced functionality, and user friendly interfaces. Microprocessor based controls are now common in electric drives, protective relaying, turbine controls, power plant displays and supervisory control functions. The flexibility, functionality, and user friendly interface capabilities of digital controls are now available for excitation systems. This paper provides an overview of GE's first generation digital excitation system, SILCO 5, and an introduction to GE's second generation system, EX2000, currently in development.

  11. Brushless exciters using a high temperature superconducting field winding

    DOE Patents [OSTI]

    Garces, Luis Jose (Schenectady, NY); Delmerico, Robert William (Clifton Park, NY); Jansen, Patrick Lee (Scotia, NY); Parslow, John Harold (Scotia, NY); Sanderson, Harold Copeland (Tribes Hill, NY); Sinha, Gautam (Chesterfield, MO)

    2008-03-18

    A brushless exciter for a synchronous generator or motor generally includes a stator and a rotor rotatably disposed within the stator. The rotor has a field winding and a voltage rectifying bridge circuit connected in parallel to the field winding. A plurality of firing circuits are connected the voltage rectifying bridge circuit. The firing circuit is configured to fire a signal at an angle of less than 90.degree. or at an angle greater than 90.degree.. The voltage rectifying bridge circuit rectifies the AC voltage to excite or de-excite the field winding.

  12. Core excitation effects in the breakup of halo nuclei

    SciTech Connect (OSTI)

    Moro, A. M.; Diego, R. de; Lay, J. A.; Crespo, R.; Johnson, R. C.; Arias, J. M.; Gomez-Camacho, J.

    2012-10-20

    The role of core excitation in the structure and dynamics of two-body halo nuclei is investigated. We present calculations for the resonant breakup of {sup 11}Be on protons at an incident energy of 63.7 MeV/nucleon, where core excitation effects were shown to be important. To describe the reaction, we use a recently developed extension of the DWBA formalism which incorporates these core excitation effects within the no-recoil approximation. The validity of the no-recoil approximation is also examined by comparing with DWBA calculations which take into account core recoil. In addition, calculations with two different continuum representations are presented and compared.

  13. Optical systems fabricated by printing-based assembly

    DOE Patents [OSTI]

    Rogers, John (Champaign, IL); Nuzzo, Ralph (Champaign, IL); Meitl, Matthew (Durham, NC); Menard, Etienne (Durham, NC); Baca, Alfred J. (Urbana, IL); Motala, Michael (Champaign, IL); Ahn, Jong-Hyun (Suwon, KR); Park, Sang-II (Savoy, IL); Yu; Chang-Jae (Urbana, IL); Ko, Heung-Cho (Gwangju, KR); Stoykovich; Mark (Dover, NH); Yoon, Jongseung (Urbana, IL)

    2011-07-05

    Provided are optical devices and systems fabricated, at least in part, via printing-based assembly and integration of device components. In specific embodiments the present invention provides light emitting systems, light collecting systems, light sensing systems and photovoltaic systems comprising printable semiconductor elements, including large area, high performance macroelectronic devices. Optical systems of the present invention comprise semiconductor elements assembled, organized and/or integrated with other device components via printing techniques that exhibit performance characteristics and functionality comparable to single crystalline semiconductor based devices fabricated using conventional high temperature processing methods. Optical systems of the present invention have device geometries and configurations, such as form factors, component densities, and component positions, accessed by printing that provide a range of useful device functionalities. Optical systems of the present invention include devices and device arrays exhibiting a range of useful physical and mechanical properties including flexibility, shapeability, conformability and stretchablity.

  14. Optical systems fabricated by printing-based assembly

    SciTech Connect (OSTI)

    Rogers, John; Nuzzo, Ralph; Meitl, Matthew; Menard, Etienne; Baca, Alfred J; Motala, Michael; Ahn, Jong-Hyun; Park, Sang-Il; Yu, Chang-Jae; Ko, Heung Cho; Stoykovich, Mark; Yoon, Jongseung

    2014-05-13

    Provided are optical devices and systems fabricated, at least in part, via printing-based assembly and integration of device components. In specific embodiments the present invention provides light emitting systems, light collecting systems, light sensing systems and photovoltaic systems comprising printable semiconductor elements, including large area, high performance macroelectronic devices. Optical systems of the present invention comprise semiconductor elements assembled, organized and/or integrated with other device components via printing techniques that exhibit performance characteristics and functionality comparable to single crystalline semiconductor based devices fabricated using conventional high temperature processing methods. Optical systems of the present invention have device geometries and configurations, such as form factors, component densities, and component positions, accessed by printing that provide a range of useful device functionalities. Optical systems of the present invention include devices and device arrays exhibiting a range of useful physical and mechanical properties including flexibility, shapeability, conformability and stretchablity.

  15. Sculplexity: Sculptures of Complexity using 3D printing

    E-Print Network [OSTI]

    Reiss, D S; Evans, T S

    2014-01-01

    We show how to convert models of complex systems such as 2D cellular automata into a 3D printed object. Our method takes into account the limitations inherent to 3D printing processes and materials. Our approach automates the greater part of this task, bypassing the use of CAD software and the need for manual design. As a proof of concept, a physical object representing a modified forest fire model was successfully printed. Automated conversion methods similar to the ones developed here can be used to create objects for research, for demonstration and teaching, for outreach, or simply for aesthetic pleasure. As our outputs can be touched, they may be particularly useful for those with visual disabilities.

  16. Observation of interference effects via four photon excitation of highly excited Rydberg states in thermal cesium vapor

    E-Print Network [OSTI]

    Kondo, Jorge M; Guttridge, Alex; Wade, Christopher G; De Melo, Natalia R; Adams, Charles S; Weatherill, Kevin J

    2015-01-01

    We report on the observation of Electromagnetically Induced Transparency (EIT) and Absorption (EIA) of highly-excited Rydberg states in thermal Cs vapor using a 4-step excitation scheme. The advantage of this 4-step scheme is that the final transition to the Rydberg state has a large dipole moment and one can achieve similar Rabi frequencies to 2 or 3 step excitation schemes using two orders of magnitude less laser power. Consequently each step is driven by a relatively low power infra-red diode laser opening up the prospect for new applications. The observed lineshapes are in good agreement with simulations based on multilevel optical Bloch equations.

  17. Toward integrated PV panels and power electronics using printing technologies

    SciTech Connect (OSTI)

    Ababei, Cristinel; Yuvarajan, Subbaraya; Schulz, Douglas L.

    2010-07-15

    In this paper, we review the latest developments in the area of printing technologies with an emphasis on the fabrication of control-embedded photovoltaics (PV) with on-board active and passive devices. We also review the use of power converters and maximum power point tracking (MPPT) circuits with PV panels. Our focus is on the investigation of the simplest implementations of such circuits in view of their integration with solar cells using printing technologies. We see this concept as potentially enabling toward further cost reduction. Besides a discussion as to feasibility, we shall also present some projections and guidelines toward possible integration. (author)

  18. 1D subsurface electromagnetic fields excited by energized steel casing

    E-Print Network [OSTI]

    Torres-Verdín, Carlos

    1D subsurface electromagnetic fields excited by energized steel casing Wei Yang1 , Carlos Torres-cased well is energized at the surface or within the borehole at an arbitrary depth with an electrode

  19. Standoff alpha radiation detection via excited state absorption of air

    E-Print Network [OSTI]

    Yao, Jimmy; Brenizer, Jack; Hui, Rongqing; Yin, Stuart (Shizhuo)

    2013-06-24

    A standoff alpha radiation detection technique based on the physical mechanism of excited state absorption of air molecules was explored and is presented in this paper. Instead of directly detecting the radiation via measuring the intensity...

  20. Dipole Excitation With A Paul Ion Trap Mass Spectrometer

    SciTech Connect (OSTI)

    MacAskill, J. A.; Madzunkov, S. M.; Chutjian, A. [Atomic and Molecular Physics Group, Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA 91109 (United States)

    2011-06-01

    Preliminary results are presented for the use of an auxiliary radiofrequency (rf) excitation voltage in combination with a high purity, high voltage rf generator to perform dipole excitation within a high precision Paul ion trap. These results show the effects of the excitation frequency over a continuous frequency range on the resultant mass spectra from the Paul trap with particular emphasis on ion ejection times, ion signal intensity, and peak shapes. Ion ejection times are found to decrease continuously with variations in dipole frequency about several resonant values and show remarkable symmetries. Signal intensities vary in a complex fashion with numerous resonant features and are driven to zero at specific frequency values. Observed intensity variations depict dipole excitations that target ions of all masses as well as individual masses. Substantial increases in mass resolution are obtained with resolving powers for nitrogen increasing from 114 to 325.

  1. Subterahertz excitations and magnetoelectric effects in hexaferrite-piezoelectric bilayers

    E-Print Network [OSTI]

    Srinivasan, Gopalan

    Subterahertz excitations and magnetoelectric effects in hexaferrite-piezoelectric bilayers Alexey B 7 October 2008 A frequency-agile hexaferrite-piezoelectric composite for potential device applications at subterahertz frequencies is studied. The bilayer is composed of aluminum substituted barium

  2. Excitation Energy Flow in Photosynthesis | MIT-Harvard Center...

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    Excitation Energy Flow in Photosynthesis April 25, 2013 at 3pm36-428 Graham Fleming Department of Chemistry University of California, Berkeley GrahamFleming000 Abstract: The...

  3. Thermal excitation of plasmons for near-field thermophotovoltaics

    SciTech Connect (OSTI)

    Guo, Yu; Molesky, Sean; Hu, Huan; Cortes, Cristian L.; Jacob, Zubin, E-mail: zjacob@ualberta.ca [Department of Electrical and Computer Engineering, University of Alberta, Edmonton, Alberta T6G 2V4 (Canada)

    2014-08-18

    The traditional approaches of exciting plasmons consist of either using electrons (e.g., electron energy loss spectroscopy) or light (Kretchman and Otto geometry) while more recently plasmons have been excited even by single photons. A different approach: thermal excitation of a plasmon resonance at high temperatures using alternate plasmonic media was proposed by S. Molesky et al. [Opt. Express 21, A96–A110 (2013)]. Here, we show how the long-standing search for a high temperature narrowband near-field emitter for thermophotovoltaics can be fulfilled by thermally exciting plasmons. We also describe a method to control Wein's displacement law in the near-field using high temperature epsilon-near-zero metamaterials. Finally, we show that our work opens up an interesting direction of research for the field of slow light: thermal emission control.

  4. Neutron spectroscopic study of crystalline electric field excitations...

    Office of Scientific and Technical Information (OSTI)

    Neutron spectroscopic study of crystalline electric field excitations in stoichiometric and lightly stuffed Yb2Ti2O7 Citation Details In-Document Search This content will become...

  5. Approximations for the rotational excitation of molecules by atoms

    E-Print Network [OSTI]

    Chu, Shih-I; Dalgarno, A.

    1975-01-01

    The applicability of the effective close?coupling approximation of Rabitz and the centrifugal decoupling approximation of McGuire and Kouri is examined for a system which models the rotational excitation of molecular nitrogen in collisions...

  6. Single-degree-of-freedom energy harvesters by stochastic excitation

    E-Print Network [OSTI]

    Joo, Han Kyul

    2014-01-01

    In this thesis, the performance criteria for the objective comparison of different classes of single-degree-of-freedom oscillators under stochastic excitation are developed. For each family of oscillators, these objective ...

  7. Systematic Study of Fission Barriers of Excited Superheavy Nuclei

    E-Print Network [OSTI]

    Sheikh-Javid, A; Pei, J C

    2009-01-01

    A systematic study of fission-barrier dependence on excitation energy has been performed using the self-consistent finite-temperature Hartree-Fock+BCS (FT-HF+BCS) formalism with the SkM* Skyrme energy density functional. The calculations have been carried out for even-even superheavy nuclei with Z ranging between 110 and 124. For an accurate description of fission pathways, the effects of triaxial and reflection-asymmetric degrees of freedom have been fully incorporated. Our survey demonstrates that the dependence of isentropic fission barriers on excitation energy changes rapidly with particle number, pointing to the importance of shell effects even at large excitation energies characteristic of compound nuclei. The fastest decrease of fission barriers with excitation energy is predicted for deformed nuclei around N=164 and spherical nuclei around N=184 that are strongly stabilized by ground-state shell effects. For nuclei 240Pu and 256Fm, which exhibit asymmetric spontaneous fission, our calculations predic...

  8. For additional information, please e-mail ctsc_noveltech@med.cornell.edu REQUEST FOR CTSC 3D PRINTING APPLICATIONS

    E-Print Network [OSTI]

    Chen, Tsuhan

    for commercialization 3D Printing Novel Technology Award $10,000 (direct costs) with use of the New CTSC 3D Printing with 3D printing technology in order to rapidly develop novel biomedical products with application) and importance of funding to feasibility of the project Research Plan (use of the CTSC 3D Printing Core Facility

  9. Radio frequency sheath formation and excitation around a stepped electrode

    SciTech Connect (OSTI)

    Barnat, E.V.; Hebner, G.A. [Sandia National Laboratories, Albuquerque, New Mexico 87185-1423 (United States)

    2005-03-15

    Plasma and sheath structure around a rf excited stepped electrode is investigated. Laser-induced fluorescence dip spectroscopy is used to spatially resolve sheath fields in an argon discharge while optical emission and laser-induced fluorescence are used to measure the spatial structure of the surrounding discharge for various discharge conditions and step-junction configurations. The presence of the step perturbs the spatial structure of the fields around the step as well as the excitation in the region above the step.

  10. Inorganic volumetric light source excited by ultraviolet light

    DOE Patents [OSTI]

    Reed, S.; Walko, R.J.; Ashley, C.S.; Brinker, C.J.

    1994-04-26

    The invention relates to a composition for the volumetric generation of radiation. The composition comprises a porous substrate loaded with a component capable of emitting radiation upon interaction with an exciting radiation. Preferably, the composition is an aerogel substrate loaded with a component, e.g., a phosphor, capable of interacting with exciting radiation of a first energy, e.g., ultraviolet light, to produce radiation of a second energy, e.g., visible light. 4 figures.

  11. Inorganic volumetric light source excited by ultraviolet light

    DOE Patents [OSTI]

    Reed, Scott (Albuquerue, NM); Walko, Robert J. (Albuquerue, NM); Ashley, Carol S. (Albuquerue, NM); Brinker, C. Jeffrey (Albuquerue, NM)

    1994-01-01

    The invention relates to a composition for the volumetric generation of radiation. The composition comprises a porous substrate loaded with a component capable of emitting radiation upon interaction with an exciting radiation. Preferably, the composition is an aerogel substrate loaded with a component, e.g., a phosphor, capable of interacting with exciting radiation of a first energy, e.g., ultraviolet light, to produce radiation of a second energy, e.g., visible light.

  12. Excitation spectrum of a model antiferromagnetic spin-trimer.

    SciTech Connect (OSTI)

    Stone, Matthew B; Fernandez-Alonso, F.; Adroja, D. T.; Dalal, N. S.; Villagran, D.; Cotton, F. A.; Nagler, Stephen E

    2007-01-01

    We present an inelastic neutron scattering (INS) study of the excitation spectrum of a quantum S=1/2 equilateral Heisenberg trimer, Cu{sub 3}(O{sub 2}C{sub 16}H{sub 23}){sub 61.2}C{sub 6}H{sub 12}. The magnetic properties of the system can be described by an ensemble of independent equilateral triangles of S=1/2 Cu{sup 2+} ions. With antiferromagnetic Heisenberg coupling, the ground state of each trimer is a degenerate pair of S=1/2 doublets, with a quartet S=3/2 excited state. Previous bulk measurements led to an estimate for the excitation energy of 28 meV. Here, we report INS measurements that can provide a direct measurement of magnetic excitation energies. These measurements are challenging since inter- and intramolecular vibrational modes associated with the organic ligands are at frequencies similar to the magnetic excitations. Measurements on a nonmagnetic compound with the same ligands as well as the temperature dependence of the neutron scattering cross section are used to identify the vibrational modes. This leads to an identification of the magnetic excitation energy as being approximately 37 meV at T=10 K, with a gradual softening with increasing temperature.

  13. Measurement of the 208Pb(52Cr, n)259Sg Excitation Function

    E-Print Network [OSTI]

    Folden III, C.M.

    2010-01-01

    of other measured cold fusion excitation functions (see Fig.in agreement with other cold fusion excitation functions,+b I. INTRODUCTION “Cold” nuclear fusion reactions, using Pb

  14. SEISMIC: A Self-Exciting Point Process Model for Predicting Tweet Popularity

    E-Print Network [OSTI]

    Bejerano, Gill

    SEISMIC: A Self-Exciting Point Process Model for Predicting Tweet Popularity Qingyuan Zhao Stanford: Algorithms; Experimentation. Keywords: information diffusion; cascade prediction; self-exciting point process

  15. Selective evaporation of focusing fluid in two-fluid hydrodynamic print head.

    SciTech Connect (OSTI)

    Keicher, David M.; Cook, Adam W.

    2014-09-01

    The work performed in this project has demonstrated the feasibility to use hydrodynamic focusing of two fluid steams to create a novel micro printing technology for electronics and other high performance applications. Initial efforts focused solely on selective evaporation of the sheath fluid from print stream provided insight in developing a unique print head geometry allowing excess sheath fluid to be separated from the print flow stream for recycling/reuse. Fluid flow models suggest that more than 81 percent of the sheath fluid can be removed without affecting the print stream. Further development and optimization is required to demonstrate this capability in operation. Print results using two-fluid hydrodynamic focusing yielded a 30 micrometers wide by 0.5 micrometers tall line that suggests that the cross-section of the printed feature from the print head was approximately 2 micrometers in diameter. Printing results also demonstrated that complete removal of the sheath fluid is not necessary for all material systems. The two-fluid printing technology could enable printing of insulated conductors and clad optical interconnects. Further development of this concept should be pursued.

  16. Liquid Phase 3D Printing for Quickly Manufacturing Metal Objects with Low Melting Point Alloy Ink

    E-Print Network [OSTI]

    Wang, Lei

    2014-01-01

    Conventional 3D printings are generally time-consuming and printable metal inks are rather limited. From an alternative way, we proposed a liquid phase 3D printing for quickly making metal objects. Through introducing metal alloys whose melting point is slightly above room temperature as printing inks, several representative structures spanning from one, two and three dimension to more complex patterns were demonstrated to be quickly fabricated. Compared with the air cooling in a conventional 3D printing, the liquid-phase-manufacturing offers a much higher cooling rate and thus significantly improves the speed in fabricating metal objects. This unique strategy also efficiently prevents the liquid metal inks from air oxidation which is hard to avoid otherwise in an ordinary 3D printing. Several key physical factors (like properties of the cooling fluid, injection speed and needle diameter, types and properties of the printing ink, etc.) were disclosed which would evidently affect the printing quality. In addit...

  17. Scanning and Printing Persons in 3D Jurgen Sturm1

    E-Print Network [OSTI]

    Lunds Universitet

    miniatures of persons using a Kinect sensor and a 3D color printer. To achieve this, we acquire color- through in rapid prototyping in recent years. Modern 3D printers are able to print colored 3D models at resolutions comparable to 2D paper printers. On the one hand, the creation of a detailed, printable 3D model

  18. Printed by Jouve, 75001 PARIS (FR) Europisches Patentamt

    E-Print Network [OSTI]

    Wu, Bin

    Printed by Jouve, 75001 PARIS (FR) Europäisches Patentamt European Patent Office Office européen des brevets (19) EP1713168A2 #12;#12; (11) EP 1 713 168 A2 (12) EUROPEAN PATENT APPLICATION (43, (David) W. Toronto Ontario Canada M5T 1G8 (CA) · Liu, Congwei Toronto Ontario Canada M5T 1ZA (CA) · Wu

  19. NJIT Library Organizational Chart Printed: 5/11/2010

    E-Print Network [OSTI]

    Bieber, Michael

    Velez, Lucy Digital Projects Librarian Library Assistant I Library Assistant I Administrative AssistantNJIT Library Organizational Chart Printed: 5/11/2010 Revised 5/11/10 Mettle, Doreen Gervits, Maya Director of Circulation & Interlibrary Loan Director of the Architecture Library Director of Reference

  20. Click here to print Marathon robot: 'Ranger' sets a world

    E-Print Network [OSTI]

    Ruina, Andy L.

    . Professor Ruina said: 'Our challenge is to lower the energy use while still maintaining balance, 'TheClick here to print Marathon robot: 'Ranger' sets a world record by walking 40.5 miles non a new world record after their robot walked 40.5 miles on a single battery charge without stopping

  1. Monolithically integrated Helmholtz coils by 3-dimensional printing

    SciTech Connect (OSTI)

    Li, Longguang [Department of Electrical Engineering, University of Michigan–Shanghai Jiao Tong University Joint Institute, Shanghai Jiao Tong University, Shanghai 200240 (China); Abedini-Nassab, Roozbeh; Yellen, Benjamin B., E-mail: yellen@duke.edu [Department of Electrical Engineering, University of Michigan–Shanghai Jiao Tong University Joint Institute, Shanghai Jiao Tong University, Shanghai 200240 (China); Department of Mechanical Engineering and Materials Science, Duke University, P.O. Box 90300, Hudson Hall, Durham, North Carolina 27708 (United States)

    2014-06-23

    3D printing technology is of great interest for the monolithic fabrication of integrated systems; however, it is a challenge to introduce metallic components into 3D printed molds to enable broader device functionality. Here, we develop a technique for constructing a multi-axial Helmholtz coil by injecting a eutectic liquid metal Gallium Indium alloy (EGaIn) into helically shaped orthogonal cavities constructed in a 3D printed block. The tri-axial solenoids each carry up to 3.6?A of electrical current and produce magnetic field up to 70?G. Within the central section of the coil, the field variation is less than 1% and is in agreement with theory. The flow rates and critical pressures required to fill the 3D cavities with liquid metal also agree with theoretical predictions and provide scaling trends for filling the 3D printed parts. These monolithically integrated solenoids may find future applications in electronic cell culture platforms, atomic traps, and miniaturized chemical analysis systems based on nuclear magnetic resonance.

  2. Electrical Contacts to Molecular Layers by Nanotransfer Printing

    E-Print Network [OSTI]

    Rogers, John A.

    Electrical Contacts to Molecular Layers by Nanotransfer Printing Yueh-Lin Loo, David V. Lang, John of electrical contact. Results show that the nTP method produces superior devices in which the electrical for making electrical contacts in molecular electronics. Organic molecules whose electronic properties can

  3. Type or print clearly:1 NAME:__Bill Burgos___________________________________________________________2

    E-Print Network [OSTI]

    Burgos, William

    1 Type or print clearly:1 NAME:__Bill Burgos-863-7304_____________6 E-MAIL :__wdb3@psu.edu_______________________________7 Type of presentation: Oral _X_ Poster ____8 of Engineering and Applied Sciences, Cambridge,22 ABSTRACT23 Coal mine drainage (CMD) is the single greatest

  4. Print Date: 3/26/2004 The Implementation Challenge

    E-Print Network [OSTI]

    Faloutsos, Christos

    by the developers and users of these new systems. Keywords: Marketing, Decision Support System, Retailing, Scanner historical information. The most prevalent type of information in retail markets is transaction dataPrint Date: 3/26/2004 The Implementation Challenge of Pricing Decision Support Systems for Retail

  5. contents | print | close www.glasgow.ac.uk

    E-Print Network [OSTI]

    Guo, Zaoyang

    1 contents | print | close www.glasgow.ac.uk Gilmorehill Campus Development Framework June 2014 : Topic 4 107 Approach to Historic Assets: Sub Topics 108 · A Campus-wide Conservation Strategy 108 · Introduction 134 · Relevant Consultation Themes : Topic 7 135 Uses & Adaptability : Sub Topics 136 · Energy

  6. contents | print | close www.glasgow.ac.uk

    E-Print Network [OSTI]

    Guo, Zaoyang

    1 contents | print | close www.glasgow.ac.uk Gilmorehill Campus Development Framework FINAL : Topic 4 107 Approach to Historic Assets: Sub Topics 108 · A Campus-wide Conservation Strategy 108 · Introduction 134 · Relevant Consultation Themes : Topic 7 135 Uses & Adaptability : Sub Topics 136 · Energy

  7. Printing a Car: A Team Effort in Innovation

    SciTech Connect (OSTI)

    Rogers, Jay; Love, Lonnie; Johnson, Mark; Ivester, Rob; Neff, Rick; Blue, Craig; ,

    2014-09-17

    The story behind the realization of a unique project: the building of a 3D printed electric car, as told by team members. Strati materialized out of 15% carbon-reinforced ABS thermoplastic in a record 44 hours, under the very eyes of attendees at this year's International Manufacturing Technology Show (IMTS).

  8. Vacuum Compatibility of 3D-Printed Materials

    E-Print Network [OSTI]

    Povilus, A P; Vendeiro, Z; Baquero-Ruiz, M; Fajans, J

    2013-01-01

    The fabrication fidelity and vacuum properties are tested for currently available 3D-printed materials including polyamide, glass, acrylic, and sterling silver. The silver was the only material found to be suitable to ultrahigh vacuum environments due to outgassing and sublimation observed in other materials.

  9. 3D Printing Prof. Hank Dietz & Paul Eberhart

    E-Print Network [OSTI]

    Dietz, Henry G. "Hank"

    3D Printing Prof. Hank Dietz & Paul Eberhart September 28, 2013 University of Kentucky Electrical/Craft: paper moves in Y, knife in X EDM/Laser: X/Y bed, vaporizes material #12;Subtractive 3D CNC: Computer "The whole is greater than the sum of its parts." ­ Aristotle #12;Additive 3D Building Material

  10. Egyptian Journal of Natural History, 2009, Vol. Printed in Egypt.

    E-Print Network [OSTI]

    Nottingham, University of

    Egyptian Journal of Natural History, 2009, Vol. Printed in Egypt: Villa 9030, Hurghada, Red Sea District, Egypt 2- Permanent address: Tg. Mures, str. C. R. Vivu 11/D, ap continental part is presented. The status of the species in Egypt and the region is presented

  11. Hunter College Style Guide FOR WEB AND PRINT

    E-Print Network [OSTI]

    Qiu, Weigang

    or not to use periods in an organization's abbreviation, consult the organization's website or printed materials is not universally recognized, spell out the organization's name on first use, followed by the abbreviation in tables or charts where space is limited. Administrative and Academic Titles The titles Mr., Ms., Mrs

  12. Cure cycle evaluation for multilayer printed wiring boards

    SciTech Connect (OSTI)

    Lula, J.W.

    1980-06-01

    The cure cycle for multilayer printed wiring boards (PWBs) made from general-puspore, fire-retardant epoxy/glass (GF) material has been evaluated for the optimum delamination resistance at soldering temperatures. The results that, for the epoxy resin system used to manufacture multilayer PWBs at Bendix Kansas City, a wide range of cure cycle variations has a minimal effect on delamination resistance.

  13. Poster Printing Instructions As specified on our website,

    E-Print Network [OSTI]

    Karonis, Nicholas T.

    Services with your saved presentation on a flash drive. Thereafter, you and Media Services will discuss to print an accurate account of your work, this must be saved both as a PDF and JPEG file. How to save as a PDF: -Open document -Once the document has been saved as a PDF (not PPT), How to save as a JPEG

  14. Linkping University Post Print Vision-Based Unmanned Aerial Vehicle

    E-Print Network [OSTI]

    Doherty, Patrick

    Linköping University Post Print Vision-Based Unmanned Aerial Vehicle Navigation Using Geo. Original Publication: Gianpaolo Conte and Patrick Doherty, Vision-Based Unmanned Aerial Vehicle Navigation.1155/2009/387308 Research Article Vision-Based Unmanned Aerial Vehicle Navigation Using Geo-Referenced Information Gianpaolo

  15. Printing a Car: A Team Effort in Innovation

    ScienceCinema (OSTI)

    Rogers, Jay; Love, Lonnie; Johnson, Mark; Ivester, Rob; Neff, Rick; Blue, Craig;

    2014-11-24

    The story behind the realization of a unique project: the building of a 3D printed electric car, as told by team members. Strati materialized out of 15% carbon-reinforced ABS thermoplastic in a record 44 hours, under the very eyes of attendees at this year's International Manufacturing Technology Show (IMTS).

  16. Excited-state OH Masers and Supernova Remnants

    E-Print Network [OSTI]

    Ylva M. Pihlström; Vincent L. Fish; Loránt O. Sjouwerman; Laura K. Zschaechner; Philip B. Lockett; Moshe Elitzur

    2007-12-29

    The collisionally pumped, ground-state 1720 MHz maser line of OH is widely recognized as a tracer for shocked regions and observed in star forming regions and supernova remnants. Whereas some lines of excited states of OH have been detected and studied in star forming regions, the subject of excited-state OH in supernova remnants -- where high collision rates are to be expected -- is only recently being addressed. Modeling of collisional excitation of OH demonstrates that 1720, 4765 and 6049 MHz masers can occur under similar conditions in regions of shocked gas. In particular, the 6049 and 4765 MHz masers become more significant at increased OH column densities where the 1720 MHz masers begin to be quenched. In supernova remnants, the detection of excited-state OH line maser emission could therefore serve as a probe of regions of higher column densities. Using the Very Large Array, we searched for excited-state OH in the 4.7, 7.8, 8.2 and 23.8 GHz lines in four well studied supernova remnants with strong 1720 MHz maser emission (SgrAEast, W28, W44 and IC443). No detections were made, at typical detection limits of around 10 mJy/beam. The search for the 6 GHz lines were done using Effelsberg since the VLA receivers did not cover those frequencies, and are reported on in an accompanying letter (Fish, Sjouwerman & Pihlstrom 2007). We also cross-correlated the positions of known supernova remnants with the positions of 1612 MHz maser emission obtained from blind surveys. No probable associations were found, perhaps except in the SgrAEast region. The lack of detections of excited-state OH indicates that the OH column densities suffice for 1720 MHz inversion but not for inversion of excited-state transitions, consistent with the expected results for C-type shocks.

  17. Alternative experimental evidence for chiral restoration in excited baryons

    E-Print Network [OSTI]

    L. Ya. Glozman

    2007-09-25

    Given existing empirical spectral patterns of excited hadrons it has been suggested that chiral symmetry is approximately restored in excited hadrons at zero temperature/density (effective symmetry restoration). If correct, this implies that mass generation mechanisms and physics in excited hadrons is very different as compared to the lowest states. One needs an alternative and independent experimental information to confirm this conjecture. Using very general chiral symmetry arguments it is shown that strict chiral restoration in a given excited nucleon forbids its decay into the N \\pi channel. Hence those excited nucleons which are assumed from the spectroscopic patterns to be in approximate chiral multiplets must only "weakly" decay into the N \\pi channel, (f_{N^*N\\pi}/f_{NN\\pi})^2 << 1. However, those baryons which have no chiral partner must decay strongly with a decay constant comparable with f_{NN\\pi}. Decay constants can be extracted from the existing decay widths and branching ratios. It turnes out that for all those well established excited nucleons which can be classified into chiral doublets N_+(1440) - N_-(1535), N_+(1710) - N_-(1650), N_+(1720) - N_-(1700), N_+(1680) - N_-(1675), N_+(2220) - N_-(2250), N_+(?) - N_-(2190), N_+(?) - N_-(2600), the ratio is (f_{N^*N\\pi}/f_{NN\\pi})^2 ~ 0.1 or much smaller for the high-spin states. In contrast, the only well established excited nucleon for which the chiral partner cannot be identified from the spectroscopic data, N(1520), has a decay constant into the N\\pi channel that is comparable with f_{NN\\pi}. This gives an independent experimental verification of the chiral symmetry restoration scenario.

  18. Direct observation of photoinduced bent nitrosyl excited-state complexes

    SciTech Connect (OSTI)

    Sawyer, Karma R.; Steele, Ryan P.; Glascoe, Elizabeth A.; Cahoon, James F.; Schlegel, Jacob P.; Head-Gordon, Martin; Harris, Charles B.

    2008-06-28

    Ground state structures with side-on nitrosyl ({eta}{sup 2}-NO) and isonitrosyl (ON) ligands have been observed in a variety of transition-metal complexes. In contrast, excited state structures with bent-NO ligands have been proposed for years but never directly observed. Here we use picosecond time-resolved infrared spectroscopy and density functional theory (DFT) modeling to study the photochemistry of Co(CO){sub 3}(NO), a model transition-metal-NO compound. Surprisingly, we have observed no evidence for ON and {eta}{sup 2}-NO structural isomers, but have observed two bent-NO complexes. DFT modeling of the ground and excited state potentials indicates that the bent-NO complexes correspond to triplet excited states. Photolysis of Co(CO){sub 3}(NO) with a 400-nm pump pulse leads to population of a manifold of excited states which decay to form an excited state triplet bent-NO complex within 1 ps. This structure relaxes to the ground triplet state in ca. 350 ps to form a second bent-NO structure.

  19. Excited-state spectroscopy of InP quantum dots

    SciTech Connect (OSTI)

    Bertram, D.; Micic, O.I.; Nozik, A.J.

    1998-02-01

    We have measured low-temperature size-selective photoluminescence excitation spectra of high-quality InP quantum dots prepared by collodial chemistry. A set of samples with mean emission energies in the range from 1.9 to 2.2 eV was investigated. All samples have a size distribution of about 10{percent}, resulting in an inhomogeneously broadened photoluminescence lineshape. Due to the finite size distribution, spectra were collected at different detection wavelengths to reveal the energies of the excited excitonic states. The size dependence of the quantization energies of InP nanoparticles was determined by measuring photoluminescence excitation at different detection energies within one sample. Up to eight excited-state transitions in a set of seven samples were observed, as the estimated quantum dot size was scanned from 1.8 to 4.0 nm. A comparison of the observed peaks with a six-band {bold k}{center_dot}{bold p} calculation is given. In contrast to the successful interpretation in the case of CdSe, no agreement between the calculated and the observed excited-state energies is achieved. {copyright} {ital 1998} {ital The American Physical Society}

  20. Systematic Study of Fission Barriers of Excited Superheavy Nuclei

    SciTech Connect (OSTI)

    Sheikh, J. A. [University of Tennessee, Knoxville (UTK) & Oak Ridge National Laboratory (ORNL); Nazarewicz, Witold [ORNL; Pei, J. C. [University of Tennessee, Knoxville (UTK) & Oak Ridge National Laboratory (ORNL)

    2009-01-01

    A systematic study of fission-barrier dependence on excitation energy has been performed using the self-consistent finite-temperature Hartree-Fock+BCS (FT-HF+BCS) formalism with the SkM* Skyrme energy density functional. The calculations have been carried out for even-even superheavy nuclei with Z ranging between 110 and 124. For an accurate description of fission pathways, the effects of triaxial and reflection asymmetric degrees of freedom have been fully incorporated. Our survey demonstrates that the dependence of isentropic fission barriers on excitation energy changes rapidly with particle number, pointing to the importance of shell effects even at large excitation energies characteristic of compound nuclei. The fastest decrease of fission barriers with excitation energy is predicted for deformed nuclei around N = 164 and spherical nuclei around N = 184 that are strongly stabilized by ground-state shell effects. For nuclei ^{240}Pu and ^{256}Fm, which exhibit asymmetric spontaneous fission, our calculations predict a transition to symmetric fission at high excitation energies due to the thermal quenching of static reflection asymmetric deformations.

  1. Mean parity of single quantum excitation of some optical fields in thermal environments

    E-Print Network [OSTI]

    Shang-Bin Li

    2010-06-11

    The mean parity (the Wigner function at the origin) of excited binomial states, excited coherent states and excited thermal states in thermal channel is investigated in details. It is found that the single-photon excited binomial state and the single-photon excited coherent state exhibit certain similarity in the aspect of their mean parity in the thermal channel. We show the negative mean parity can be regarded as an indicator of nonclassicality of single-photon excitation of optical fields with a little coherence, especially for the single-photon excited thermal states.

  2. Ultra-soft fermionic excitation at finite chemical potential

    E-Print Network [OSTI]

    Jean-Paul Blaizot; Daisuke Satow

    2014-05-13

    It has been suggested previously that an ultra-soft fermionic excitation develops, albeit with a small spectral weight, in a system of massless fermions and scalar bosons with Yukawa interaction at high temperature ($T$). In this paper we study how this excitation is modified at finite chemical potential ($\\mu$). We relate the existence of the ultra-soft mode to symmetries, in particular charge conjugation, and a supersymmetry of the free system which is spontaneously broken by finite temperature and finite density effects, as argued earlier by Lebedev and Smilga. A non vanishing chemical potential breaks both symmetries explicitly, and maximally at zero temperature where the mode ceases to exist. A detailed calculation indicates that the ultra-soft excitation persists as long as $T\\gtrsim \\mu$.

  3. Stimulated optomechanical excitation of surface acoustic waves in a microdevice

    E-Print Network [OSTI]

    Gaurav Bahl; John Zehnpfennig; Matthew Tomes; Tal Carmon

    2011-09-12

    Stimulated Brillouin interaction between sound and light, known to be the strongest optical nonlinearity common to all amorphous and crystalline dielectrics, has been widely studied in fibers and bulk materials but rarely in optical microresonators. The possibility of experimentally extending this principle to excite mechanical resonances in photonic microsystems, for sensing and frequency reference applications, has remained largely unexplored. The challenge lies in the fact that microresonators inherently have large free spectral range, while the phase matching considerations for the Brillouin process require optical modes of nearby frequencies but with different wavevectors. We rely on high-order transverse optical modes to relax this limitation. Here we report on the experimental excitation of mechanical resonances ranging from 49 to 1400 MHz by using forward Brillouin scattering. These natural mechanical resonances are excited in ~100 um silica microspheres, and are of a surface-acoustic whispering-gallery type.

  4. Excitation of Alfven Waves and Pulsar Radio Emission

    E-Print Network [OSTI]

    Maxim Lyutikov

    1999-10-04

    We analyze mechanisms of the excitation of Alfv\\'{e}n wave in pulsar magnetospheres as a possible source of pulsar radio emission generation. We find that Cherenkov excitation of obliquely propagating Alfv\\'{e}n waves is inefficient, while excitation at the anomalous cyclotron resonance by the particles from the primary beam and from the tail of the bulk distribution function may have a considerable growth rate. The cyclotron instability on Alfv\\'{e}n waves occurs in the kinetic regime still not very closed to the star: $r \\geq 50 R_{NS}$. We also discuss various mechanisms of conversion of Alfv\\'{e}n waves into escaping radiation. Unfortunately, no decisive conclusion about the effectiveness of such conversion can be made.

  5. Excitation energy dependence of fission in the mercury region

    E-Print Network [OSTI]

    J. D. McDonnell; W. Nazarewicz; J. A. Sheikh; A. Staszczak; M. Warda

    2014-06-26

    Background: Recent experiments on beta-delayed fission reported an asymmetric mass yield in the neutron-deficient nucleus 180Hg. Earlier experiments in the mass region A=190-200 close to the beta-stability line, using the (p,f) and (\\alpha,f) reactions, observed a more symmetric distribution of fission fragments. While the beta-delayed fission of 180Hg can be associated with relatively low excitation energy, this is not the case for light-ion reactions, which result in warm compound nuclei. Purpose: To elucidate the roles of proton and neutron numbers and excitation energy in determining symmetric and asymmetric fission yields, we compute and analyze the isentropic potential energy surfaces of 174,180,198Hg and 196,210Po. Methods: We use the finite-temperature superfluid nuclear density functional theory, for excitation energies up to E*=30MeV and zero angular momentum. For our theoretical framework, we consider the Skyrme energy density functional SkM* and a density-dependent pairing interaction. Results: For 174,180Hg, we predict fission pathways consistent with asymmetric fission at low excitation energies, with the symmetric fission pathway opening very gradually as excitation energy is increased. For 198Hg and 196Po, we expect the nearly-symmetric fission channel to dominate. 210Po shows a preference for a slightly asymmetric pathway at low energies, and a preference for a symmetric pathway at high energies. Conclusions: Our self-consistent theory suggests that excitation energy weakly affects the fission pattern of the nuclei considered. The transition from the asymmetric fission in the proton-rich nuclei to a more symmetric fission in the heavier isotopes is governed by the shell structure of pre-scission configurations.

  6. Optical and magnetic signatures of localized excitations in polyaniline

    SciTech Connect (OSTI)

    Su, W.P. [Houston Univ., TX (United States). Dept. of Physics]|[Ohio State Univ., Columbus, OH (United States); Epstein, A.J. [Ohio State Univ., Columbus, OH (United States); Kim, J. [Houston Univ., TX (United States). Dept. of Physics

    1992-10-01

    Using a tight-binding Hamiltonian we study the lattice configurations and electronic structures of three forms of polyaniline: leucoemeraldine base (LEB), emeraldine base (EB) and pernigraniline base (PNB). Both bond length and ring rotation angle are considered in the structure relaxation. The dominant elementary excitations of isolated chains are found to be solitons is PNB and bipolarons in EB and in LEB. Optical absorptions of the ground states and of the solitonic and polaronic excitations are calculated and compared with experiments. The spin density profile of a single neutral soliton in PNB is discussed in connection with magnetic measurements.

  7. Optical and magnetic signatures of localized excitations in polyaniline

    SciTech Connect (OSTI)

    Su, W.P. (Houston Univ., TX (United States). Dept. of Physics Ohio State Univ., Columbus, OH (United States)); Epstein, A.J. (Ohio State Univ., Columbus, OH (United States)); Kim, J. (Houston Univ., TX (United States). Dept. of Physics)

    1992-01-01

    Using a tight-binding Hamiltonian we study the lattice configurations and electronic structures of three forms of polyaniline: leucoemeraldine base (LEB), emeraldine base (EB) and pernigraniline base (PNB). Both bond length and ring rotation angle are considered in the structure relaxation. The dominant elementary excitations of isolated chains are found to be solitons is PNB and bipolarons in EB and in LEB. Optical absorptions of the ground states and of the solitonic and polaronic excitations are calculated and compared with experiments. The spin density profile of a single neutral soliton in PNB is discussed in connection with magnetic measurements.

  8. Excitation of two atoms by a propagating single photon pulse

    E-Print Network [OSTI]

    Navneeth Ramakrishnan; Yimin Wang; Valerio Scarani

    2014-11-13

    We describe the interaction of two two-level atoms in free space with propagating modes of the quantized electromagnetic field, using the time-dependent Heisenberg-Langevin method. For single- photon pulses, we consider the effect of the pulse's spatial and temporal profiles on the atomic excitation. In particular, we find the ideal shape for a pulse to put exactly one excitation in any desired state of the bi-atomic system. Furthermore, we analyze the differences in the atomic dynamics between the cases of Fock state pulses and coherent state pulses.

  9. Energy level displacement of excited np states of kaonic hydrogen

    E-Print Network [OSTI]

    A. N. Ivanov; M. Cargnelli; M. Faber; H. Fuhrmann; V. A. Ivanova; J. Marton; N. I. Troitskaya; J. Zmeskal

    2005-04-09

    We compute the energy level displacement of the excited np states of kaonic hydrogen within the quantum field theoretic and relativistic covariant model of strong low-energy bar-KN interactions suggested in EPJA21, 11 (2004). For the width of the energy level of the excited 2p state of kaonic hydrogen, caused by strong low-energy interactions, we find Gamma_2p = 2 meV. This result is important for the theoretical analysis of the X-ray yields in kaonic hydrogen.

  10. Energy level displacement of excited np state of kaonic hydrogen

    E-Print Network [OSTI]

    Ivanov, A N; Faber, M; Fuhrmann, H; Ivanova, V A; Marton, J; Troitskaya, N I; Zmeskal, J

    2004-01-01

    We have computed the energy level displacement of the excited np state of kaonic hydrogen within the quantum field theoretic and relativistic covariant model of strong low-energy bar-KN interactions suggested in EPJA21, 11 (2004). For the width of the energy level of the excited 2p state of kaonic hydrogen, caused by strong low-energy interactions, we have got Gamma_2p = 2 meV. The obtained result is important for the theoretical analysis of the X-ray yields in kaonic hydrogen.

  11. Excited collective states of heavy even-even nuclei

    SciTech Connect (OSTI)

    Nadirbekov, M. S.; Yuldasheva, G. A. [Uzbek Academy of Sciences, Institute of Nuclear Physics (Uzbekistan)] [Uzbek Academy of Sciences, Institute of Nuclear Physics (Uzbekistan)

    2013-03-15

    Quadrupole-type collective excitations of even-even nuclei are analyzed. In this analysis, transverse {gamma} vibrations of the nuclear surface are taken into account effectively, while longitudinal beta vibrations remain free. A potential energy of the exponential form is used for free surface longitudinal beta vibrations. The behavior of the energy levels of excited states in the ground-state, {beta}, and {gamma} bands of heavy nuclei is studied, and the predictive potential of the model used is demonstrated for transfermium nuclei.

  12. Thermal effects on the stability of excited atoms in cavities

    SciTech Connect (OSTI)

    Khanna, F. C.; Malbouisson, A. P. C.; Malbouisson, J. M. C.; Santana, A. E. [Department of Physics, University of Alberta, Edmonton, Alberta T6G 2J1 (Canada) and TRIUMF, Vancouver, British Columbia V6T 2A3 (Canada); Centro Brasileiro de Pesquisas Fisicas/MCT, 22290-180 Rio de Janeiro, Rio de Janeiro (Brazil); Instituto de Fisica, Universidade Federal da Bahia, 40.210-310 Salvador, Bahia (Brazil); Instituto de Fisica, Universidade de Brasilia, 70910-900 Brasilia, Distrito Federal (Brazil) and Department of Physics, University of Alberta, Edmonton, Alberta T6G 2J1 (Canada)

    2010-03-15

    An atom, coupled linearly to an environment, is considered in a harmonic approximation in thermal equilibrium inside a cavity. The environment is modeled by an infinite set of harmonic oscillators. We employ the notion of dressed states to investigate the time evolution of the atom initially in the first excited level. In a very large cavity (free space) for a long elapsed time, the atom decays and the value of its occupation number is the physically expected one at a given temperature. For a small cavity the excited atom never completely decays and the stability rate depends on temperature.

  13. Body-assisted van der Waals interaction between excited atoms

    E-Print Network [OSTI]

    Hassan Safari; Mohammad Reza Karimpour

    2014-12-12

    We present a formula for the body-assisted van der Waals interaction potential between two atoms, one or both being prepared in an excited energy eigenstate. The presence of arbitrary arrangement for material environment is taken into account via the Green function. The resulting formula supports one of two conflicting findings recorded. The consistency of our formula is investigated by applying it for the case of two atoms in free space and comparing the resulting expression with the one found from the limiting Casimir-Polder potential between an excited atom and a small dielectric sphere.

  14. Exotic modes of excitation in proton rich nuclei

    SciTech Connect (OSTI)

    Paar, N.

    2011-11-30

    The framework of relativistic energy density functional has been applied in description of excitation phenomena in nuclei close to the proton drip line. In particular, low-lying dipole excitations have been studied using relativistic quasiparticle random phase approximation, based on effective Lagrangians with density dependent meson nucleon couplings. In the isovector dipole channel, the occurrence of pronounced low-lying dipole peaks is predicted, corresponding to the proton pygmy dipole resonance. Since this exotic mode still awaits its experimental confirmation, systematic calculations have been conducted within a pool of neutron deficient nuclei, in order to identify the best possible candidates for measurements.

  15. Design and development of high precision elastomeric-stamp wrapping system for roll-to-roll multi-layer microcontact printing

    E-Print Network [OSTI]

    Datar, Charudatta Achyut

    2009-01-01

    Microcontact printing is an emerging printing technique that could potentially find application in the electronics industry. High-speed roll-to-roll equipment was built at Nano Terra, Inc in 2008, for microcontact printing. ...

  16. Direct printing and reduction of graphite oxide for flexible supercapacitors

    SciTech Connect (OSTI)

    Jung, Hanyung; Ve Cheah, Chang; Jeong, Namjo; Lee, Junghoon

    2014-08-04

    We report direct printing and photo-thermal reduction of graphite oxide (GO) to obtain a highly porous pattern of interdigitated electrodes, leading to a supercapacitor on a flexible substrate. Key parameters optimized include the amount of GO delivered, the suitable photo-thermal energy level for effective flash reduction, and the substrate properties for appropriate adhesion after reduction. Tests with supercapacitors based on the printed-reduced GO showed performance comparable with commercial supercapacitors: the energy densities were 1.06 and 0.87 mWh/cm{sup 3} in ionic and organic electrolytes, respectively. The versatility in the architecture and choice of substrate makes this material promising for smart power applications.

  17. Coaxial connector for use with printed circuit board edge connector

    DOE Patents [OSTI]

    Howard, Donald R. (Danville, CA); MacGill, Robert A. (Richmond, CA)

    1989-01-01

    A coaxial cable connector for interfacing with an edge connector for a printed circuit board whereby a coaxial cable can be interconnected with a printed circuit board through the edge connector. The coaxial connector includes a body having two leg portions extending from one side for receiving the edge connector therebetween, and a tubular portion extending from an opposing side for receiving a coaxial cable. A cavity within the body receives a lug of the edge connector and the center conductor of the coaxial cable. Adjacent lugs of the edge connector can be bend around the edge connector housing to function as spring-loaded contacts for receiving the coaxial connector. The lugs also function to facilitate shielding of the center conductor where fastened to the edge connector lug.

  18. SU-E-T-455: Characterization of 3D Printed Materials for Proton Beam Therapy

    SciTech Connect (OSTI)

    Zou, W; Siderits, R; McKenna, M; Khan, A; Yue, N [Rutgers University, New Brunswick, NJ (United States); McDonough, J; Yin, L; Teo, B [University of Pennsylvania, Philadelphia, PA (United States); Fisher, T [Memorial Medical Center, Modesto, CA (United States)

    2014-06-01

    Purpose: The widespread availability of low cost 3D printing technologies provides an alternative fabrication method for customized proton range modifying accessories such as compensators and boluses. However the material properties of the printed object are dependent on the printing technology used. In order to facilitate the application of 3D printing in proton therapy, this study investigated the stopping power of several printed materials using both proton pencil beam measurements and Monte Carlo simulations. Methods: Five 3–4 cm cubes fabricated using three 3D printing technologies (selective laser sintering, fused-deposition modeling and stereolithography) from five printers were investigated. The cubes were scanned on a CT scanner and the depth dose curves for a mono-energetic pencil beam passing through the material were measured using a large parallel plate ion chamber in a water tank. Each cube was measured from two directions (perpendicular and parallel to printing plane) to evaluate the effects of the anisotropic material layout. The results were compared with GEANT4 Monte Carlo simulation using the manufacturer specified material density and chemical composition data. Results: Compared with water, the differences from the range pull back by the printed blocks varied and corresponded well with the material CT Hounsfield unit. The measurement results were in agreement with Monte Carlo simulation. However, depending on the technology, inhomogeneity existed in the printed cubes evidenced from CT images. The effect of such inhomogeneity on the proton beam is to be investigated. Conclusion: Printed blocks by three different 3D printing technologies were characterized for proton beam with measurements and Monte Carlo simulation. The effects of the printing technologies in proton range and stopping power were studied. The derived results can be applied when specific devices are used in proton radiotherapy.

  19. SEPnet OUTREACH Exciting Physics activities on campus and in school

    E-Print Network [OSTI]

    - action lecture all about particle physics designed for 11­18 year-olds and the general public. ThroughSEPnet OUTREACH Exciting Physics activities on campus and in school #12;2 WHAT IS SEPnet? SEPnet (the South East Physics Network) is a consortium of university physics departments around the South

  20. Spectroscopic probes of vibrationally excited molecules at chemically significant energies

    SciTech Connect (OSTI)

    Rizzo, T.R. [Univ. of Rochester, NY (United States)

    1993-12-01

    This project involves the application of multiple-resonance spectroscopic techniques for investigating energy transfer and dissociation dynamics of highly vibrationally excited molecules. Two major goals of this work are: (1) to provide information on potential energy surfaces of combustion related molecules at chemically significant energies, and (2) to test theoretical modes of unimolecular dissociation rates critically via quantum-state resolved measurements.

  1. Excitation of nonlinear electron acoustic waves Francesco Valentini

    E-Print Network [OSTI]

    California at San Diego, University of

    Excitation of nonlinear electron acoustic waves Francesco Valentini Dipartimento di Fisica and INFM acoustic waves EAWs and the stability of the EAWs against decay. An EAW is a nonlinear wave- linear wave structures can exist in a plasma, even at low amplitude. They called these waves electron-acoustic

  2. Theory of magnetohydrodynamic instabilities excited by energetic particles in tokamaks*

    E-Print Network [OSTI]

    Chen, Liu

    Theory of magnetohydrodynamic instabilities excited by energetic particles in tokamaks* Liu Chent by the energetic ions/ alpha particles in tokamaks are theoretically analyzed.Here, n is the toroidal modenumber the effectsof energeticions/alpha par- ticles on the magnetohydrodynamic (MHD) stability of tokamak plasmas

  3. Early Childhood CARES Excited for 2013-2014 School Year

    E-Print Network [OSTI]

    ://earlychildhoodcares.uoregon.edu Early Childhood CARES provides early intervention and early childhood special education to all childrenEarly Childhood CARES Excited for 2013-2014 School Year Early Childhood CARES returned from its summer break with its motors tuned and ready to roll for the 2013-2014 school year! Early Childhood CARES

  4. Ultraviolet emissions from Gd3 + ions excited by energy transfer

    E-Print Network [OSTI]

    Cao, Wenwu

    Ultraviolet emissions from Gd3 + ions excited by energy transfer from Ho3 + ions Ying Yu October 2010 Accepted 28 October 2010 Available online 4 November 2010 Keywords: Ultraviolet emission Upconversion Energy transfer a b s t r a c t Ultraviolet (UV) upconversion (UC) emissions of Gd3+ ion were

  5. Propagating front in an excited granular layer W. Losert,1

    E-Print Network [OSTI]

    Gollub, Jerry P.

    that produces a rapid transition. We measure the front velocity as a function of the applied acceleration and the mechanisms of transitions between phases are of great interest. Although there are no attractive a triggered phase transition that transforms a quiescent disordered phase to an excited granu- lar gas via

  6. Coordination of Excitation and Governing Control Based on Fuzzy Logic

    E-Print Network [OSTI]

    on the human knowledge of system behavior. In power engineering area, fuzzy set theory is applied in power, Tsinghua University, China Abstract: In deregulated power systems, competition could push the system near its security limit. The issue of power system stability is becoming more crucial. The excitation

  7. Gravity waves excited by jets: Propagation versus generation R. Plougonven

    E-Print Network [OSTI]

    Plougonven, Riwal

    Gravity waves excited by jets: Propagation versus generation R. Plougonven School of Mathematics imposed by the generation mechanism. In proceeding so, effects due to the propagation of the waves through in consequence that the gravity waves are generated in the jet-exit region. [4] To date, such arguments have

  8. Precise energies of highly excited hydrogen and deuterium

    E-Print Network [OSTI]

    Kotochigova, Svetlana

    1373 Precise energies of highly excited hydrogen and deuterium Svetlana Kotochigova, Peter J. Mohr, and Barry N. Taylor Abstract: The energy levels of hydrogen and deuterium atoms are calculated to provide Rédaction] 1. Introduction In this article, we describe our calculation of the energy levels of hydrogen

  9. Photosynthesis 475 such measurements, photosynthesis is excited by

    E-Print Network [OSTI]

    Govindjee "Gov"

    under the sea where only green light penetrates, can supply the energy of this light to chlorophyll a, which has very weak absorption in the green region of the spectrum. Excitation energy is transferred by chlorophyll a in contributing energy to photosynthesis. An exception is fucoxan- thol, the carotenoid

  10. Interior Permanent Magnet Reluctance Machine with Brushless Field Excitation

    SciTech Connect (OSTI)

    Wiles, R.H.

    2005-10-07

    In a conventional permanent magnet (PM) machine, the air-gap flux produced by the PM is fixed. It is difficult to enhance the air-gap flux density due to limitations of the PM in a series-magnetic circuit. However, the air-gap flux density can be weakened by using power electronic field weakening to the limit of demagnetization of the PMs. This paper presents the test results of controlling the PM air-gap flux density through the use of a stationary brushless excitation coil in a reluctance interior permanent magnet with brushless field excitation (RIPM-BFE) motor. Through the use of this technology the air-gap flux density can be either enhanced or weakened. There is no concern with demagnetizing the PMs during field weakening. The leakage flux of the excitation coil through the PMs is blocked. The prototype motor built on this principle confirms the concept of flux enhancement and weakening through the use of excitation coils.

  11. Electromagnetic Excitation of Rotating Black Holes and Relativistic Jets

    E-Print Network [OSTI]

    A. Burinskii; E. Elizalde; S. R. Hildebrandt; G. Magli

    2006-10-02

    We show that electromagnetic excitations of rotating black holes can lead to the appearance of narrow singular beams which break up the black hole horizon forming a tube-like region which connects the interior and exterior. It is argued that this effect may be at the origin of jet formation.

  12. Molecular dynamics of liquid benzene via femtosecond pulses laser excitation

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    1749 Molecular dynamics of liquid benzene via femtosecond pulses laser excitation J. Etchepare, G moléculaires. Abstract. 2014 We analyse the complex response of liquid benzene to the applied 45 fs FHWM new results obtained by the transient grating temporal behaviour analysis of benzene, a molecule

  13. Easily Legible Printed Name:______________________________ Page 1 of 8

    E-Print Network [OSTI]

    Walba, David

    carefully! PLEASE legibly print your name on each page of the exam. H He Li Be B C N O F Na Mg Al Si P S Ne Professor Walba Second Hour Exam October 21, 2014 scores: 1) 2) 3) 4) 5) PLEASE read the questions very: _____________________________ This is a closed-book exam. The use of notes, calculators, scratch paper, or cell phones will not be allowed during

  14. Easily Legible Printed Name:______________________________ Page 1 of 8

    E-Print Network [OSTI]

    Walba, David

    carefully! PLEASE legibly print your name on each page of the exam. H He Li Be B C N O F Na Mg Al Si P S Ne Professor Walba First Hour Exam September 23, 2014 scores: 1) 2) 3) 4) 5) PLEASE read the questions very: _____________________________ This is a closed-book exam. The use of notes, calculators, scratch paper, or cell phones will not be allowed during

  15. Polyimide/glass multilayer printed wiring boards. Final report

    SciTech Connect (OSTI)

    Lula, J.W.

    1984-07-01

    Multilayer printed wiring boards (PWBs) were manufactured from a polyimide/glass reinforced copper-clad laminate and prepreg. A lamination cycle and innerlayer copper surface treatment were developed that gave satisfactory delamination resistance at soldering temperatures. When compared to similar epoxy/glass multilayer PWBs, the polyimide PWBs had higher thermal stability, greater resistance to raised lands, fewer plating voids, less outgassing, and adhesion that was equivalent to urethane foam encapsulants.

  16. Fast and Scalable Printing of Large Area Monolayer Nanoparticles for Nanotexturing

    E-Print Network [OSTI]

    Cui, Yi

    solar cells, fuel cells, light emitting diodes and other devices where ordered nanoscale texturing is critical for optimal performance. KEYWORDS Nanotexture, printing, roll-to-roll, light trapping

  17. Printed in the United States of America. Available from National Technical Information Service

    E-Print Network [OSTI]

    Oak Ridge National Laboratory

    U.S. Department of Commerce 5285 Port Royal Road, Springfield, Virginia 22161 Price: Printed Copy $6;iii CONTENTS LIST OF FIGURES .............. ......... . v LIST OF TABLES

  18. Procedures for preparation, printing, and distribution of UMTRA Project National Environmental Policy Act documents

    SciTech Connect (OSTI)

    Not Available

    1988-08-01

    This paper discusses the procedures for preparation, printing and distribution of Uranium Mill Tailings Remedial Action (UMTRA) Project National Environmental Policy Act documents. (KJD)

  19. Next Generation Lunch: Revealing the World’s First 3D Printed Car (text version)

    Office of Energy Efficiency and Renewable Energy (EERE)

    Below is the text version for the Next Generation Lunch: Revealing the World’s First 3D Printed Car Video.

  20. Flexographically Printed Rechargeable Zinc-based Battery for Grid Energy Storage

    E-Print Network [OSTI]

    Wang, Zuoqian

    2013-01-01

    energy storage application demonstration, an integration of the printed battery with a small photovoltaic device (preferable also printable solar cell based on silicon

  1. Flow, Turbulence and Combustion 71: 333346, 2003. 2004 Kluwer Academic Publishers. Printed in the Netherlands.

    E-Print Network [OSTI]

    Daraio, Chiara

    Flow, Turbulence and Combustion 71: 333­346, 2003. © 2004 Kluwer Academic Publishers. Printed of Technology, CH-8092 Zurich, Switzerland 2CFD Research Corporation, Biomedical Technology Branch, Huntsville

  2. This form is interactive --complete electronically and print Notification of Fitness for Duty

    E-Print Network [OSTI]

    Pillow, Jonathan

    This form is interactive -- complete electronically and print Notification of Fitness for Duty as written notification directing you to undergo a Fitness for Duty Evaluation. The reason

  3. Transport in Porous Media 50: 267305, 2003. 2003 Kluwer Academic Publishers. Printed in the Netherlands.

    E-Print Network [OSTI]

    Schmittbuhl, Jean

    recovery, exploitation of geothermal energy, storage of radioactive waste, soil pollution, etc. MostTransport in Porous Media 50: 267­305, 2003. © 2003 Kluwer Academic Publishers. Printed

  4. ORNL Unveils 3D-Printed Home and Vehicle with the Unique Ability...

    Office of Environmental Management (EM)

    (ORNL) announced successful efforts of the the lab's Additive Manufacturing Integrated Energy (AMIE) demonstration. The nine-month project reached its goal of 3D-printing an...

  5. Secretary Moniz Tours the 3D-Printed Shelby Cobra | Department...

    Energy Savers [EERE]

    in Knoxville, Tennessee, developed a finishing process that bonds the clear coat and paint layers to the printed car parts' resulting in the highest quality finish possible in...

  6. The Future of Manufacturing Takes Shape: 3D Printed Car on Display...

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    funding support from the Energy Department's Advanced Manufacturing Office-to print the car chassis using a new manufacturing machine called Big Area Additive Manufacturing or...

  7. The Anglo-Scottish Print War: Sermons, Pamphlets, and Polemics 1638-1640

    E-Print Network [OSTI]

    Hudson, Joshua David

    2011-01-01

    Print War: Sermons, Pamphlets, and Polemics 1638-1640 Abase. While he understood pamphlets provide evidence of what1638 to 1640. Sermons, pamphlets, polemics, works of prose

  8. ENGINEERING.com EngTips Forums TekTips Forums LoginRegister 3D Printing

    E-Print Network [OSTI]

    Espinosa, Horacio D.

    ENGINEERING.com EngTips Forums TekTips Forums LoginRegister Home Videos Jobs Games 3D Printing YouTube Facebook Twitter Sections 3D Printing Design Software Designer Edge Education Electronics

  9. Local Motors Begins Their Six Day Quest to 3D Print the ‘Strati’ Car Live at IMTS

    Broader source: Energy.gov [DOE]

    An article detailing Local Motors' preparation to 3D print a car at the September 2014 International Manufacturing Technology Show.

  10. Compilation of Giant Electric Dipole Resonances Built on Excited States

    E-Print Network [OSTI]

    A. Schiller; M. Thoennessen

    2006-05-05

    Giant Electric Dipole Resonance (GDR) parameters for gamma decay to excited states with finite spin and temperature are compiled. Over 100 original works have been reviewed and from some 70 of which more than 300 parameter sets of hot GDR parameters for different isotopes, excitation energies, and spin regions have been extracted. All parameter sets have been brought onto a common footing by calculating the equivalent Lorentzian parameters. The current compilation is complementary to an earlier compilation by Samuel S. Dietrich and Barry L. Berman (At. Data Nucl. Data Tables 38(1988)199-338) on ground-state photo-neutron and photo-absorption cross sections and their Lorentzian parameters. A comparison of the two may help shed light on the evolution of GDR parameters with temperature and spin. The present compilation is current as of January 2006.

  11. Toward the excited isoscalar meson spectrum from lattice QCD

    DOE Public Access Gateway for Energy & Science Beta (PAGES Beta)

    Dudek, Jozef J.; Edwards, Robert G.; Guo, Peng; Thomas, Christopher E.

    2013-11-18

    We report on the extraction of an excited spectrum of isoscalar mesons using lattice QCD. Calculations on several lattice volumes are performed with a range of light quark masses corresponding to pion masses down to about ~400 MeV. The distillation method enables us to evaluate the required disconnected contributions with high statistical precision for a large number of meson interpolating fields. We find relatively little mixing between light and strange in most JPC channels; one notable exception is the pseudoscalar sector where the approximate SU(3)F octet, singlet structure of the ?, ?' is reproduced. We extract exotic JPC states, identifiedmore »as hybrid mesons in which an excited gluonic field is coupled to a color-octet qqbar pair, along with non-exotic hybrid mesons embedded in a qq¯-like spectrum.« less

  12. Probing the neutron skin thickness in collective modes of excitation

    E-Print Network [OSTI]

    Nils Paar; Andrea Horvat

    2014-01-13

    Nuclear collective motion provides valuable constraint on the size of neutron-skin thickness and the properties of nuclear matter symmetry energy. By employing relativistic nuclear energy density functional (RNEDF) and covariance analysis related to $\\chi^2$ fitting of the model parameters, relevant observables are identified for dipole excitations, which strongly correlate with the neutron-skin thickness $(r_{np})$, symmetry energy at saturation density $(J)$ and slope of the symmetry energy $(L)$. Using the RNEDF framework and experimental data on pygmy dipole strength ($^{68}$Ni, $^{132}$Sn, $^{208}$Pb) and dipole polarizability ($^{208}$Pb), it is shown how the values of $J$, and $L$, and $r_{np}$ are constrained. The isotopic dependence of moments associated to dipole excitations in $^{116-136}$Sn shows that the low-energy dipole strength and polarizability in neutron-rich nuclei display strong sensitivity to the symmetry energy parameter $J$, more pronounced than in isotopes with moderate neutron-to-proton number ratios.

  13. Oncotripsy: Targeting cancer cells selectively via resonant harmonic excitation

    E-Print Network [OSTI]

    Heyden, Stefanie

    2015-01-01

    We investigate a method of selectively targeting cancer cells by means of ultrasound harmonic excitation at their resonance frequency, which we refer to as oncotripsy. The geometric model of the cells takes into account the cytoplasm, nucleus and nucleolus, as well as the plasma membrane and nuclear envelope. Material properties are varied within a pathophysiologically-relevant range. A first modal analysis reveals the existence of a spectral gap between the natural frequencies and, most importantly, resonant growth rates of healthy and cancerous cells. The results of the modal analysis are verified by simulating the fully-nonlinear transient response of healthy and cancerous cells at resonance. The fully nonlinear analysis confirms that cancerous cells can be selectively taken to lysis by the application of carefully tuned ultrasound harmonic excitation while simultaneously leaving healthy cells intact.

  14. Wind turbine blade testing system using base excitation

    DOE Patents [OSTI]

    Cotrell, Jason; Thresher, Robert; Lambert, Scott; Hughes, Scott; Johnson, Jay

    2014-03-25

    An apparatus (500) for fatigue testing elongate test articles (404) including wind turbine blades through forced or resonant excitation of the base (406) of the test articles (404). The apparatus (500) includes a testing platform or foundation (402). A blade support (410) is provided for retaining or supporting a base (406) of an elongate test article (404), and the blade support (410) is pivotally mounted on the testing platform (402) with at least two degrees of freedom of motion relative to the testing platform (402). An excitation input assembly (540) is interconnected with the blade support (410) and includes first and second actuators (444, 446, 541) that act to concurrently apply forces or loads to the blade support (410). The actuator forces are cyclically applied in first and second transverse directions. The test article (404) responds to shaking of its base (406) by oscillating in two, transverse directions (505, 507).

  15. Decay widths of lowest massive Regge excitations of open strings

    E-Print Network [OSTI]

    Luis A. Anchordoqui; Haim Goldberg; Tomasz R. Taylor

    2008-07-29

    With the advent of the LHC there is widespread interest in the discovery potential for physics beyond the standard model. In TeV-scale open string theory, the new physics can be manifest in the excitation and decay of new resonant structures, corresponding to Regge recurrences of standard model particles. An essential input for the prediction of invariant mass spectra of the decay products (which could serve to identify the resonance as a string excitation) are the partial and total widths of the decay products. We present a parameter-free calculation of these widths for the first Regge recurrence of the SU(3) gluon octet, of the U(1) gauge boson which accompanies gluons in D-brane constructions, and of the quark triplet.

  16. Predict-prevent control method for perturbed excitable systems

    E-Print Network [OSTI]

    Marzena Ciszak; Claudio R. Mirasso; Raul Toral; Oscar Calvo

    2008-07-15

    We present a control method based on two steps: prediction and prevention. For prediction we use the anticipated synchronization scheme, considering unidirectional coupling between excitable systems in a master-slave configuration. The master is the perturbed system to be controlled, meanwhile the slave is an auxiliary system which is used to predict the master's behavior. We demonstrate theoretically and experimentally that an efficient control may be achieved.

  17. Initial Observations of Sunspot Oscillations Excited by Solar Flare

    E-Print Network [OSTI]

    A. G. Kosovichev; T. Sekii

    2007-10-09

    Observations of a large solar flare of December 13, 2006, using Solar Optical Telescope (SOT) on Hinode spacecraft revealed high-frequency oscillations excited by the flare in the sunspot chromosphere. These oscillations are observed in the region of strong magnetic field of the sunspot umbra, and may provide a new diagnostic tool for probing the structure of sunspots and understanding physical processes in solar flares.

  18. Mean field approximation for noisy delay coupled excitable neurons

    E-Print Network [OSTI]

    Nikola Buric; Dragana Rankovic; Kristina Todorovic; Nebojsa Vasovic

    2010-03-26

    Mean field approximation of a large collection of FitzHugh-Nagumo excitable neurons with noise and all-to-all coupling with explicit time-delays, modelled by $N\\gg 1$ stochastic delay-differential equations is derived. The resulting approximation contains only two deterministic delay-differential equations but provides excellent predictions concerning the stability and bifurcations of the averaged global variables of the exact large system.

  19. Temperature dependence of the magnetic excitations in Gd

    SciTech Connect (OSTI)

    Cable, J.W.; Nicklow, R.M.; Wakabayashi, N.

    1985-08-01

    Magnetic excitation spectra were measured for Gd in the and directions over the temperature range from 9 to 320/sup 0/K (T/sub c/ = 292.7/sup 0/K). Spin-wave-like modes are observed at T greater than or equal to T/sub c/. The critical wavevector for the appearance of these modes is proportional to the inverse correlation length.

  20. Skirting terahertz waves in a photo-excited nanoslit structure

    SciTech Connect (OSTI)

    Shalaby, Mostafa E-mail: thomas.feurer@iap.unibe.ch; Fabia?ska, Justyna; Feurer, Thomas E-mail: thomas.feurer@iap.unibe.ch; Peccianti, Marco; Ozturk, Yavuz; Vidal, Francois; Morandotti, Roberto; Sigg, Hans

    2014-04-28

    Terahertz fields can be dramatically enhanced as they propagate through nanometer-sized slits. The enhancement is mediated by a significant accumulation of the induced surface charges on the surrounding metal. This enhancement is shown here to be dynamically modulated while the nanoslits are gradually shunted using a copropagating optical beam. The terahertz fields are found to skirt the nanoscale photo-excited region underneath the slits, scattering to the far field and rigorously mapping the near field.

  1. Scintillation of thin tetraphenyl butadiene films under alpha particle excitation

    E-Print Network [OSTI]

    Pollmann, Tina; Ku?niak, Marcin

    2010-01-01

    The alpha induced scintillation of the wavelength shifter 1,1,4,4-tetraphenyl-1,3-butadiene (TPB) was studied to improve the understanding of possible surface alpha backgrounds in the DEAP dark matter search experiment. We found that vacuum deposited thin TPB films emit 882 +/-210 photons per MeV under alpha particle excitation. The scintillation pulse shape consists of a double exponential decay with lifetimes of 11 +/-5 ns and 275 +/-10ns.

  2. A Novel Circuit Model of Nanotechnology-Enabled Inkjet-Printed Gas Sensors Using Multi-Wall Carbon Nanotubes

    E-Print Network [OSTI]

    Tentzeris, Manos

    A Novel Circuit Model of Nanotechnology-Enabled Inkjet-Printed Gas Sensors Using Multi-Wall Carbon-scale nanotechnology- enabled inkjet-printed modules. Index Terms -- Gas sensing, carbon nanotube, inkjet printing, equivalent circuit, nanotechnology. I. INTRODUCTION Due to their excellent mechanical and electronic

  3. GTMI's Printed/Flexible Electronics Workshop March 19, 2015 1 Opportuni)es for Collabora)ve R&D

    E-Print Network [OSTI]

    Das, Suman

    3/23/15 1 GTMI's Printed/Flexible Electronics Workshop March 19, 2015 1 Opportuni Associate II, GTMI (404)-385-1935 billyde.brown@gatech.edu GTMI's Printed/Flexible Electronics/contracts ØCorporate sponsorship #12;3/23/15 2 GTMI's Printed/Flexible Electronics Workshop March 19

  4. Supplementary Material The pumping lid: Investigating multi-material 3D printing for equipment-free, programmable

    E-Print Network [OSTI]

    Ismagilov, Rustem F.

    Supplementary Material The pumping lid: Investigating multi-material 3D printing for equipment. #12;Experimental section 3D printing Lids and cups described in this paper were produced by multi-material 3D printing. The geometry of each part was designed using CAD software and exported to STL

  5. 1610 IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS, VOL. 11, 2012 MRI-Derived 3-D-Printed Breast Phantom

    E-Print Network [OSTI]

    Hagness, Susan C.

    1610 IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS, VOL. 11, 2012 MRI-Derived 3-D-Printed Breast--We propose a 3-D-printed breast phantom for use in preclinical experimental microwave imaging studies the proce- dure for generating the 3-D-printed breast phantom and present the measured dielectric properties

  6. HowtoArchiveandPrint(orDownload)WebCTDiscussions 1. Login to WebCT and go into your course.

    E-Print Network [OSTI]

    Ravikumar, B.

    a save or print option: · To save the Discussion messages as plain text with attachments, click the Save as File button. The file will be saved to your default download folder. · To print a hardcopy of the the discussion message, click the Print button and select your printer. · To save an HTML version

  7. Printing Virtual Reality Interfaces -The Cognitive Map Probe Ehud Sharlin1

    E-Print Network [OSTI]

    Sharlin, Ehud

    landmarks and later printed using a 3D printer. This affords a very simple mapping between the virtual, physical 3D models. All the CMP's TUI subparts were designed as realistic 3D small-scale models of physical's fundamentals and the concept of literally printing 3D VR interfaces. 1. Cognitive Mapping and early AD

  8. ROBOPuppet: Low-Cost, 3D Printed Miniatures for Teleoperating Full-Size Robots

    E-Print Network [OSTI]

    Hauser, Kris

    -the-shelf electronics and new rapid proto- typing technologies, specifically the wide availability of 3D printers to nonROBOPuppet: Low-Cost, 3D Printed Miniatures for Teleoperating Full-Size Robots Anna Eilering of the robot links, which are then 3D printed and assembled. This procedure is generalizable to variety

  9. MultiFab : a multi-material 3D printing platform

    E-Print Network [OSTI]

    Ramos-Maltés, Javier Eduardo

    2014-01-01

    This thesis presents the development of MultiFab, a multi-material 3D printing architecture that is high-resolution, scalable, and low-cost. MultiFab enables the 3D printing of parts with materials that interact optically ...

  10. A Novel Graphene-Based Inkjet-Printed WISP-Enabled Wireless Gas Sensor

    E-Print Network [OSTI]

    Tentzeris, Manos

    A Novel Graphene-Based Inkjet-Printed WISP- Enabled Wireless Gas Sensor Taoran Le, Vasileios thin films produced from environmentally friendly, water-based, inkjet printed graphene oxide (GO) ink is achieved using the graphene thin films, with over 30% of material recovery observed within 5 minutes

  11. Application-Specific Economic Analysis of Integral Passives in Printed Circuit Boards

    E-Print Network [OSTI]

    Sandborn, Peter

    Application-Specific Economic Analysis of Integral Passives in Printed Circuit Boards Bevin Etienne to integral passives that are embedded within a printed circuit board. In this study we assume that integral of ownership model is used to determine the impact of throughput changes associated with fabricating integral

  12. Bendable single crystal silicon thin film transistors formed by printing on plastic substrates

    E-Print Network [OSTI]

    Rogers, John A.

    Bendable single crystal silicon thin film transistors formed by printing on plastic substrates E on plastic substrates using an efficient dry transfer printing technique. In these devices, free standing-Si is then transferred, to a specific location and with a controlled orientation, onto a thin plastic sheet

  13. MULTI-CRITERIA DECISION MAKING IN DESIGN OF PRINTED WIRE , O. Palusinski

    E-Print Network [OSTI]

    Palusinski, Olgierd A.

    MULTI-CRITERIA DECISION MAKING IN DESIGN OF PRINTED WIRE BOARDS by Y. Tokat 1 , O. Palusinski 2 , and F. Szidarovszky 1 Abstract This paper presents an application of multi-criteria decision making in system level design of printed wire boards. The main decision variable is the number of signal layers

  14. Liquid Phase 3D Printing for Quickly Manufacturing Metal Objects with Low Melting Point Alloy Ink

    E-Print Network [OSTI]

    Lei Wang; Jing Liu

    2014-02-25

    Conventional 3D printings are generally time-consuming and printable metal inks are rather limited. From an alternative way, we proposed a liquid phase 3D printing for quickly making metal objects. Through introducing metal alloys whose melting point is slightly above room temperature as printing inks, several representative structures spanning from one, two and three dimension to more complex patterns were demonstrated to be quickly fabricated. Compared with the air cooling in a conventional 3D printing, the liquid-phase-manufacturing offers a much higher cooling rate and thus significantly improves the speed in fabricating metal objects. This unique strategy also efficiently prevents the liquid metal inks from air oxidation which is hard to avoid otherwise in an ordinary 3D printing. Several key physical factors (like properties of the cooling fluid, injection speed and needle diameter, types and properties of the printing ink, etc.) were disclosed which would evidently affect the printing quality. In addition, a basic route to make future liquid phase 3D printer incorporated with both syringe pump and needle arrays was also suggested. The liquid phase 3D printing method, which owns potential values not available in a conventional modality, opens an efficient way for quickly making metal objects in the coming time.

  15. World politics Business & finance Economics Science & technology Culture Blogs Debate & discuss Multimedia Print edition

    E-Print Network [OSTI]

    Reiners, Peter W.

    World politics Business & finance Economics Science & technology Culture Blogs Debate & discuss Multimedia Print edition May 26th 2011 | from the print edition Enlarge The Anthropocene A man-made world to make human activity central to its conception of the world, rather than a distraction, would mark

  16. Computational study of viscoelastic effects on liquid transfer during gravure printing

    E-Print Network [OSTI]

    Rothstein, Jonathan

    Liquid bridge Finite element a b s t r a c t High speed roll-to-roll coating and printing are important speed roll-to-roll coating or printing (patterned coating) method in a variety of prod- ucts including in coating continuous thin films. Despite its long standing use, gravure is still poorly understood

  17. Electrically interconnected assemblies of microscale device components by printing and molding

    E-Print Network [OSTI]

    Rogers, John A.

    Electrically interconnected assemblies of microscale device components by printing and molding Mo process that occurs prior to or simultaneously with a soft lithographic molding step that defines relief of the process, in which transfer printing for device placement and molding for electrical interconnect occur

  18. SAND: Relation between the Database and Printed Maps Erik Tjong Kim Sang

    E-Print Network [OSTI]

    Sang, Erik Tjong Kim

    SAND: Relation between the Database and Printed Maps Erik Tjong Kim Sang Meertens Institute erik.tjong.kim.sang@meertens.knaw.nl May 16, 2014 1 Introduction SAND, the Syntactic Atlas of the Dutch Dialects, is a collection of maps database which can be accessed via a web interface: DynaSAND [1]. The printed maps are not exactly the same

  19. Two-axis MEMS scanner with transfer-printed high-reflectivity, broadband monolithic silicon

    E-Print Network [OSTI]

    Rogers, John A.

    Two-axis MEMS scanner with transfer-printed high-reflectivity, broadband monolithic silicon@illinois.edu Abstract: We present a two-axis electrostatic MEMS scanner with high- reflectivity monolithic. The reflective surfaces of the MEMS scanner are transfer-printed PC mirrors with low polarization dependence, low

  20. Housing Accommodations Request Form To be completed by student. Please print.

    E-Print Network [OSTI]

    Kunkle, Tom

    1 Housing Accommodations Request Form To be completed by student. Please print. Name housing accommodation(s) and explain need based on documented disability. Request(s) Justification Residence Life and Housing To be completed by Student. (Please print) Name of Diagnosing Professional: Title

  1. Excitation of forced ion acoustic waves, large plasma sheets, and magnetic field fluctuations over Gakona, Alaska

    E-Print Network [OSTI]

    Cohen, Joel (Joel A.)

    2009-01-01

    Two research subjects: (1) excitation of "forced ion acoustic waves", and (2) "simultaneous excitation of plasma density fluctuations and geomagnetic field fluctuations" are reported in my M.S. thesis. The data was acquired ...

  2. An iterative technique for refinement of selective excitations for magnetic resonance imaging 

    E-Print Network [OSTI]

    Lebsack, Eliot Todd

    1999-01-01

    Selective RF pulses are needed or many application in magnetic resonance imaging (MRI). The desired excitation profile is omen used as the spectrum of the applied RF pulse; the modulation waveform of the RF pulse which approximately excites...

  3. The shock-excitation of molecular hydrogen in the interstellar medium 

    E-Print Network [OSTI]

    Burton, Michael Graham

    This dissertation presents a study of shock-excited molecular hydrogen (H2) in the interstellar medium. The aims of this thesis are to understand the shock-excitation process and to understand the global role of shocks in ...

  4. Ultrafast Dynamics of 1,3-Cyclohexadiene in Highly Excited States

    E-Print Network [OSTI]

    Minitti, Michael P.

    2011-01-01

    The ultrafast dynamics of 1,3-cyclohexadiene has been investigated via structurally sensitive Rydberg electron binding energies and shown to differ upon excitation to the 1B state and the 3p Rydberg state. Excitation of ...

  5. Standing-wave excited soft x-ray photoemission microscopy: application to Co microdot magnetic arrays

    E-Print Network [OSTI]

    Gray, Alexander

    2011-01-01

    Standing-wave excited soft x-ray photoemission microscopy:excitation with soft x-ray standing-waves generated by Braggmirror substrate. Standing wave is moved vertically through

  6. The first excited states of 9Be and 9B

    E-Print Network [OSTI]

    V. D. Efros; J. M. Bang

    1998-09-10

    It is found here that the 1/2+ first excited state of 9Be is a virtual state with the energy of -23.5 KeV. The line shape for the excitation of the state is approximated with a simple analytic form based on the effective range expansion. The partner in 9B of this state is found to be a resonance with a maximum in the peak at about 1.1 MeV, FWHM of 1.5 MeV, and complex energy of 0.6-i0.75 MeV. The line shape for its excitation is calculated in terms of the p-8Be phase shift. The phase shifts are obtained from N-8Be effective potentials deduced from the data on on the photodisintegration of 9Be. A possibility for direct extraction of the energy of the resonant state from experimental data is also discussed, and an expression for a residue at a virtual state pole in terms of a quadrature taken over the virtual state eigenfunction is given.

  7. Laser cooling and control of excitations in superfluid helium

    E-Print Network [OSTI]

    G. I. Harris; D. L. McAuslan; E. Sheridan; Y. Sachkou; C. Baker; W. P. Bowen

    2015-06-15

    Superfluidity is an emergent quantum phenomenon which arises due to strong interactions between elementary excitations in liquid helium. These excitations have been probed with great success using techniques such as neutron and light scattering. However measurements to-date have been limited, quite generally, to average properties of bulk superfluid or the driven response far out of thermal equilibrium. Here, we use cavity optomechanics to probe the thermodynamics of superfluid excitations in real-time. Furthermore, strong light-matter interactions allow both laser cooling and amplification of the thermal motion. This provides a new tool to understand and control the microscopic behaviour of superfluids, including phonon-phonon interactions, quantised vortices and two-dimensional quantum phenomena such as the Berezinskii-Kosterlitz-Thouless transition. The third sound modes studied here also offer a pathway towards quantum optomechanics with thin superfluid films, including femtogram effective masses, high mechanical quality factors, strong phonon-phonon and phonon-vortex interactions, and self-assembly into complex geometries with sub-nanometre feature size.

  8. EVIDENCE FOR THE PHOTOSPHERIC EXCITATION OF INCOMPRESSIBLE CHROMOSPHERIC WAVES

    SciTech Connect (OSTI)

    Morton, R. J.; Verth, G.; Fedun, V.; Erdelyi, R. [Solar Physics and Space Plasma Research Centre (SP2RC), University of Sheffield, Hicks Building, Hounsfield Road, Sheffield S3 7RH (United Kingdom); Shelyag, S., E-mail: richard.morton@northumbria.ac.uk [Astrophysics Research Centre, School of Mathematics and Physics, Main Physics Building, Queen's University Belfast, Belfast, County Antrim BT7 1NN (United Kingdom)

    2013-05-01

    Observing the excitation mechanisms of incompressible transverse waves is vital for determining how energy propagates through the lower solar atmosphere. We aim to show the connection between convectively driven photospheric flows and incompressible chromospheric waves. The observations presented here show the propagation of incompressible motion through the quiet lower solar atmosphere, from the photosphere to the chromosphere. We determine photospheric flow vectors to search for signatures of vortex motion and compare results to photospheric flows present in convective simulations. Further, we search for the chromospheric response to vortex motions. Evidence is presented that suggests incompressible waves can be excited by the vortex motions of a strong magnetic flux concentration in the photosphere. A chromospheric counterpart to the photospheric vortex motion is also observed, presenting itself as a quasi-periodic torsional motion. Fine-scale, fibril structures that emanate from the chromospheric counterpart support transverse waves that are driven by the observed torsional motion. A new technique for obtaining details of transverse waves from time-distance diagrams is presented and the properties of transverse waves (e.g., amplitudes and periods) excited by the chromospheric torsional motion are measured.

  9. Proceedings of the 1984 workshop on high-energy excitations in condensed matter. Volume I

    SciTech Connect (OSTI)

    Silver, R.N. (comp.)

    1984-12-01

    This volume covers neutron scattering inelastic instrumentation, x-ray scattering inelastic instrumentation, and magnetic excitations. (GHT)

  10. METAMATERIALS: Large-area printed 3D negative-index metamaterial is flexible -Laser Focus World http://www.laserfocusworld.com/articles/print/volume-47/issue-8/world-news/metamaterials-large-area-printed-3d-negative-index-metamaterial-is-flexible.html[8/1

    E-Print Network [OSTI]

    Rogers, John A.

    METAMATERIALS: Large-area printed 3D negative-index metamaterial is flexible - Laser Focus World http://www.laserfocusworld.com/articles/print/volume-47/issue-8/world-news/metamaterials-large-area-printed-3d-negative-index-metamaterial-is-flexible.html[8/12/2011 3:45:06 PM] About · Advertise · Advertise

  11. Noise-Sustained Coherent Oscillation of Excitable Media in a Chaotic Flow Changsong Zhou,1

    E-Print Network [OSTI]

    Kiss, Istvan Zoltan

    Noise-Sustained Coherent Oscillation of Excitable Media in a Chaotic Flow Changsong Zhou,1 Ju (Received 20 March 2003; published 10 October 2003) Constructive effects of noise in spatially extended excitation can induce a coherent global excitation of the medium and a noise-sustained oscillation. Outside

  12. The lowest 2 A excited state of the water-hydroxyl complex

    E-Print Network [OSTI]

    Crawford, T. Daniel

    The lowest 2 A excited state of the water-hydroxyl complex T. Daniel Crawforda and Micah L. Abrams excitation energies of the lowest 2 A excited state in the water-hydroxyl complex have been determined using to that of the hydroxyl radical monomer is found with the coupled cluster calculations validating previous results

  13. Two-photon excitation of atoms by ultrashort electromagnetic pulses in a discrete spectrum

    E-Print Network [OSTI]

    Astapenko, Valery

    2015-01-01

    The present work is dedicated to the theoretical analysis of two-photon excitation of atoms in a discrete energy spectrum by ultrashort electromagnetic pulses of femto- and subfemtosecond ranges of durations. As examples, excitation of hydrogen and sodium atoms from the ground state to excited states with a zero orbital moment is considered.

  14. Quantum plasmonic excitation in graphene and robust-to-loss propagation George W. Hanson,1,

    E-Print Network [OSTI]

    Hanson, George

    operations. Experimental work in quantum plasmonics using photons to excite SPPs has so far con- firmed statistics of the excitation process [14­18]. Most recently experiments have demonstrated two-plasmon quantum interference, confirming the maintenance of the bosonic nature of the photons used to excite SPPs

  15. Density-functional calculations on singly and doubly excited Rydberg states of many-electron atoms

    E-Print Network [OSTI]

    Chu, Shih-I; Roy, Amlan K.

    2002-05-07

    excited state energies is within about 0.01% for He (for other atoms, it is less than 0.2%), while that for the doubly excited states of He is well within 3.6%. The deviations in the calculated single- and double-excitation energies for 31 selected states...

  16. Unitech Printed Circuit Board Corp UPCB | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page| Open Energy Information Serbia-EnhancingEt Al.,Turin, New York: EnergyU.S.UnifinPark,Unitech Printed Circuit Board

  17. Double-sided polyimide printed wiring boards. Final report

    SciTech Connect (OSTI)

    Lula, J.W.

    1982-04-01

    Double-sided polyimide/glass printed wiring boards (PWBs) were evaluated for high temperature performance and compared to epoxy/glass PWBs (type GH). Test specimens, as well as sample PWBs, were manufactured from both materials and tested for thermal stability, moisture absorption, copper peel strength, and resistance to soldering damage. Although the polyimide laminate absorbed more than twice the amount of moisture as the epoxy laminate, the polyimide laminate had greater thermal stability, retained greater peel strength at elevated temperatures, and showed comparatively little damage during soldering processes.

  18. Formulation of Molding Materials From Recycled Printed Wiring Boards

    SciTech Connect (OSTI)

    Lula, J.W.; Bohnert, G.W.

    1998-04-20

    The objective of this project was to formulate the pulverized electronic waste (PEW) stream derived from grinding obsolete electronic assemblies and combine this material with thermoplastic or thermosetting polymers into useful, high-value commercial products materials. PEW consists primarily of various thermoset plastic materials and glass fibers from the printed wiring boards, along with ceramic pieces from chip carriers and other electronic components. Typically, the thermosetting materials have the same desirable properties as in the original electronic assembly, including relatively high temperature resistance, excellent chemical resistance, and flame retardancy. These properties combine to make PEW an inherently good inert filler material for plastic composites.

  19. 3D Printing Aircraft Parts | GE Global Research

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity ofkandz-cm11 Outreach Home RoomPreservationBio-InspiredAtmosphericdevicesPPONeApril351 Substation Demolition --3D Printed andD

  20. 3D Printing Medical Devices | GE Global Research

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity ofkandz-cm11 Outreach Home RoomPreservationBio-InspiredAtmosphericdevicesPPONeApril351 Substation Demolition --3D Printed

  1. 3D Printing of nanostructured catalytic materials | The Ames Laboratory

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity ofkandz-cm11 Outreach Home RoomPreservationBio-InspiredAtmosphericdevicesPPONeApril351 Substation Demolition --3D Printed3D

  2. Minutes from the February 23, 2012 Printing and Mail Teleconference

    Broader source: Energy.gov (indexed) [DOE]

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity of Natural GasAdjustmentsShirleyEnergy AEnergy Managing SwimmingMicrosoft Word1 2 - 2 0 1 5Department of Printing and

  3. Minutes from the January 10, 2013 Printing and Mail Teleconference

    Broader source: Energy.gov (indexed) [DOE]

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity of Natural GasAdjustmentsShirleyEnergy AEnergy Managing SwimmingMicrosoft Word1 2 - 2 0 1 5Department of Printing and0,

  4. Minutes from the January 19, 2011 Printing and Mail Teleconference

    Broader source: Energy.gov (indexed) [DOE]

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity of Natural GasAdjustmentsShirleyEnergy AEnergy Managing SwimmingMicrosoft Word1 2 - 2 0 1 5Department of Printing

  5. Minutes from the January 20, 2010 Printing and Mail Teleconference

    Broader source: Energy.gov (indexed) [DOE]

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity of Natural GasAdjustmentsShirleyEnergy AEnergy Managing SwimmingMicrosoft Word1 2 - 2 0 1 5Department of Printing

  6. Minutes from the July 21, 2010 Printing and Mail Teleconference

    Broader source: Energy.gov (indexed) [DOE]

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity of Natural GasAdjustmentsShirleyEnergy AEnergy Managing SwimmingMicrosoft Word1 2 - 2 0 1 5Department of Printing

  7. Minutes from the June 28, 2012 Printing and Mail Teleconference

    Broader source: Energy.gov (indexed) [DOE]

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity of Natural GasAdjustmentsShirleyEnergy AEnergy Managing SwimmingMicrosoft Word1 2 - 2 0 1 5Department of Printing8,

  8. Minutes from the March 14, 2013 Printing and Mail Teleconference

    Broader source: Energy.gov (indexed) [DOE]

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity of Natural GasAdjustmentsShirleyEnergy AEnergy Managing SwimmingMicrosoft Word1 2 - 2 0 1 5Department of Printing8,

  9. Minutes from the March 17, 2010 Printing and Mail Teleconference

    Broader source: Energy.gov (indexed) [DOE]

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity of Natural GasAdjustmentsShirleyEnergy AEnergy Managing SwimmingMicrosoft Word1 2 - 2 0 1 5Department of Printing8,7,

  10. Minutes from the May 26, 2010 Printing and Mail Teleconference

    Broader source: Energy.gov (indexed) [DOE]

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity of Natural GasAdjustmentsShirleyEnergy AEnergy Managing SwimmingMicrosoft Word1 2 - 2 0 1 5Department of Printing8,7,10

  11. Minutes from the May 3, 2012 Printing and Mail Teleconference

    Broader source: Energy.gov (indexed) [DOE]

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity of Natural GasAdjustmentsShirleyEnergy AEnergy Managing SwimmingMicrosoft Word1 2 - 2 0 1 5Department of Printing8,7,10

  12. Minutes from the November 01, 2012 Printing and Mail Teleconference

    Broader source: Energy.gov (indexed) [DOE]

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity of Natural GasAdjustmentsShirleyEnergy AEnergy Managing SwimmingMicrosoft Word1 2 - 2 0 1 5Department of Printing8,7,10

  13. Minutes from the November 17, 2010 Printing and Mail Teleconference

    Broader source: Energy.gov (indexed) [DOE]

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity of Natural GasAdjustmentsShirleyEnergy AEnergy Managing SwimmingMicrosoft Word1 2 - 2 0 1 5Department of Printing8,7,10

  14. Minutes from the October 26, 2011 Printing and Mail Teleconference

    Broader source: Energy.gov (indexed) [DOE]

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity of Natural GasAdjustmentsShirleyEnergy AEnergy Managing SwimmingMicrosoft Word1 2 - 2 0 1 5Department of Printing8,7,10

  15. Minutes from the September 15, 2010 Printing and Mail Teleconference

    Broader source: Energy.gov (indexed) [DOE]

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity of Natural GasAdjustmentsShirleyEnergy AEnergy Managing SwimmingMicrosoft Word1 2 - 2 0 1 5Department of Printing8,7,10

  16. Instructions to Print Monthly P-card Statement

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantityBonneville Power Administration would likeUniverseIMPACT EVALUATION PLANIs gravity a particleInstructionalWageto Print Monthly

  17. Department of Energy Strategic Plan, May 2011, Print Quality | Department

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious Rank EERE: Alternative Fuels DataEnergy Webinar:IAbout Us|of Energy Strategic Plan, May 2011, Print

  18. Entrainment of marginally stable excitation waves by spatially extended sub-threshold periodic forcing

    E-Print Network [OSTI]

    Joseph M. Starobin; Vivek Varadarajan

    2011-06-02

    We analyze the effects of spatially extended periodic forcing on the dynamics of one-dimensional excitation waves. Entrainment of unstable primary waves has been studied numerically for different amplitudes and frequencies of additional sub-threshold stimuli. We determined entrainment regimes under which excitation blocks were transformed into consistent 1:1 responses. These responses were spatially homogeneous and synchronized in the entire excitable medium. Compared to primary pulses, pulses entrained by secondary stimulations were stable at considerably shorter periods which decreased at higher amplitudes and greater number of secondary stimuli. Our results suggest a practical methodology for stabilization of excitation in reaction-diffusion media with regions of reduced excitability.

  19. Hyperspectral imaging of microalgae using two-photon excitation.

    SciTech Connect (OSTI)

    Sinclair, Michael B.; Melgaard, David Kennett; Reichardt, Thomas A.; Timlin, Jerilyn Ann; Garcia, Omar Fidel; Luk, Ting Shan; Jones, Howland D. T.; Collins, Aaron M.

    2010-10-01

    A considerable amount research is being conducted on microalgae, since microalgae are becoming a promising source of renewable energy. Most of this research is centered on lipid production in microalgae because microalgae produce triacylglycerol which is ideal for biodiesel fuels. Although we are interested in research to increase lipid production in algae, we are also interested in research to sustain healthy algal cultures in large scale biomass production farms or facilities. The early detection of fluctuations in algal health, productivity, and invasive predators must be developed to ensure that algae are an efficient and cost-effective source of biofuel. Therefore we are developing technologies to monitor the health of algae using spectroscopic measurements in the field. To do this, we have proposed to spectroscopically monitor large algal cultivations using LIDAR (Light Detection And Ranging) remote sensing technology. Before we can deploy this type of technology, we must first characterize the spectral bio-signatures that are related to algal health. Recently, we have adapted our confocal hyperspectral imaging microscope at Sandia to have two-photon excitation capabilities using a chameleon tunable laser. We are using this microscope to understand the spectroscopic signatures necessary to characterize microalgae at the cellular level prior to using these signatures to classify the health of bulk samples, with the eventual goal of using of LIDAR to monitor large scale ponds and raceways. By imaging algal cultures using a tunable laser to excite at several different wavelengths we will be able to select the optimal excitation/emission wavelengths needed to characterize algal cultures. To analyze the hyperspectral images generated from this two-photon microscope, we are using Multivariate Curve Resolution (MCR) algorithms to extract the spectral signatures and their associated relative intensities from the data. For this presentation, I will show our two-photon hyperspectral imaging results on a variety of microalgae species and show how these results can be used to characterize algal ponds and raceways.

  20. Non-Gaussian features from Excited Squeezed Vacuum State

    E-Print Network [OSTI]

    Xubing Tang; Fang Gao; Yaoxiong Wan; Jianguang Wu; Feng Shuang

    2014-10-18

    In this work, we introduce a non-Gaussian quantum state named excited squeezed vacuum state (ESVS), which can be ustilized to describe quantum light field emitted from the multiphoton quantum process occurred in some restricted quantum systems. We investigate its nonclassical properties such as Wigner distribution in phase space, photon number distribution, the second-order autocorrelation and the quadrature fluctuations. By virtue of the Hilbert-Schmidt distance method, we quantify the non-Gaussianity of the ESVS. Due to the similar photon statistics, we examine the fidelity between the ESVS and the photon-subtraction squeezed vacuum state (PSSVS), and then find the optimal fidelity by monitoring the relevant parameters.

  1. Properties of excited states in {sup 77}Ge.

    SciTech Connect (OSTI)

    Kay, B. P.; Chiara, C. J.; Schiffer, J. P.; Kondev, F. G.; Zhu, S.; Carpenter, M. P.; Janssens, R. V. F.; Lauritsen, T.; Lister, C. J.; McCutchan, E. A.; Seweryniak, D.; Stefanescu, I.; Univ. of Maryland; Horia-Hulubei National Inst. for Physics and Nuclear Engineering

    2009-07-01

    The nucleus {sup 77}Ge was studied through the {sup 76}Ge({sup 13}C,{sup 12}C){sup 77}Ge reaction at a sub-Coulomb energy. The angular distributions of rays depopulating excited states in {sup 77}Ge were measured in order to constrain spin and parity assignments. Some of these assignments are of use in connection with neutrinoless double beta decay, where the population of states near the Fermi surface of {sup 76}Ge was recently explored using transfer reactions.

  2. Excitation energy dependence of symmetry energy of finite nuclei

    E-Print Network [OSTI]

    S. K. Samaddar; J. N. De; X. Vinas; M. Centelles

    2007-10-11

    A finite range density and momentum dependent effective interaction is used to calculate the density and temperature dependence of the symmetry energy coefficient Csym(rho,T) of infinite nuclear matter. This symmetry energy is then used in the local density approximation to evaluate the excitation energy dependence of the symmetry energy coefficient of finite nuclei in a microcanonical formulation that accounts for thermal and expansion effects. The results are in good harmony with the recently reported experimental data from energetic nucleus-nucleus collisions.

  3. Observation of excited states in /sup 128/Ba

    SciTech Connect (OSTI)

    Zhao Zhi-zheng; Guo Ying-xiang; Pan Zong-you; Xiao Jian-min; Lei Xiang-guo; Liu Hong-ye; Sun Xi-jun

    1987-01-01

    Excited states in /sup 128/Ba have been investigated via the /sup 120/Sn (/sup 12/C, 4n..gamma..) /sup 128/Ba reaction by means of in-beam gamma spectroscopy. A 12/sup +/ state other than the previously reported one is observed according to the properties of the 935.0 keV ..gamma..-ray. It does not belong to the ground-state band. Two new interband transitions, 224.8 keV and 632.7 keV, are observed and assigned to sidefeeding between the negative-parity band and ground-state band.

  4. Higher radial and orbital excitations in the charmed meson family

    E-Print Network [OSTI]

    Qin-Tao Song; Dian-Yong Chen; Xiang Liu; Takayuki Matsuki

    2015-09-16

    Considering abundant experimental information of charmed mesons and the present research status, in this work we systematically study higher radial and orbital excitations in the charmed meson family by analyzing the mass spectrum and calculating their two-body OZI-allowed decay behaviors. This phenomenological analysis not only reveals underlying propertes of the newly observed charmed states $D(2550)$, $D^*(2600)$, $D^*(2760)$, $D(2750)$, $D_J(2580)$, $D^*_J(2650)$, $D^*_J(2760)$, $D_J(2740)$, $D_J(3000)$ and $D^*_J(3000)$, but also provides valuable information of the charmed mesons still missing in experiments.

  5. First observation of excited states in {sup 182}Pb.

    SciTech Connect (OSTI)

    Jenkins, D. G.; Muikku, M.; Greenlees, P. T.; Hauschild, K.; Helarjutta, K.; Jones, P. M.; Julin, R.; Juutinen, S.; Kankaanpaa, H.; Kelsall, N. S.; Kettunen, H.; Kuusiniemi, P.; Leino, M.; Moore, C. J.; Nieminen, P.; O'Leary, C. D.; Page, R. D.; Rakhila, P.; Reviol, W.; Taylor, M. J.; Uusitalo, J.; Wadsworth, R.; Physics; Univ. of York; Univ. of Jyvaskyla; CEA Saclay; Univ. of Liverpool; Univ. of Tennessee

    2000-01-01

    Excited states in the light lead nucleus, {sup 182}Pb, have been observed for the first time, by means of the recoil-decay tagging technique. A rotational band has been observed which has features in common with bands attributed to a prolate configuration in the heavier neutron deficient lead nuclei, {sup 184-188}Pb. A variable moment of inertia fit to the states in this band suggests that the prolate minimum has risen significantly in energy compared to the next even lead nucleus, {sup 184}Pb. This constitutes firm evidence for the minimization of this configuration with respect to the spherical ground state around N=103.

  6. Integrated ultrasonic particle positioning and low excitation light fluorescence imaging

    SciTech Connect (OSTI)

    Bernassau, A. L.; Al-Rawhani, M.; Beeley, J.; Cumming, D. R. S. [School of Engineering, University of Glasgow, Glasgow, G12 8LT (United Kingdom)] [School of Engineering, University of Glasgow, Glasgow, G12 8LT (United Kingdom)

    2013-12-09

    A compact hybrid system has been developed to position and detect fluorescent micro-particles by combining a Single Photon Avalanche Diode (SPAD) imager with an acoustic manipulator. The detector comprises a SPAD array, light-emitting diode (LED), lenses, and optical filters. The acoustic device is formed of multiple transducers surrounding an octagonal cavity. By stimulating pairs of transducers simultaneously, an acoustic landscape is created causing fluorescent micro-particles to agglomerate into lines. The fluorescent pattern is excited by a low power LED and detected by the SPAD imager. Our technique combines particle manipulation and visualization in a compact, low power, portable setup.

  7. Excited-State Relaxation in PbSe Quantum Dots

    SciTech Connect (OSTI)

    An, J. M.; Califano, M.; Franceschetti, A.; Zunger, A.

    2008-01-01

    In solids the phonon-assisted, nonradiative decay from high-energy electronic excited states to low-energy electronic excited states is picosecond fast. It was hoped that electron and hole relaxation could be slowed down in quantum dots, due to the unavailability of phonons energy matched to the large energy-level spacings ('phonon-bottleneck'). However, excited-state relaxation was observed to be rather fast ({le}1 ps) in InP, CdSe, and ZnO dots, and explained by an efficient Auger mechanism, whereby the excess energy of electrons is nonradiatively transferred to holes, which can then rapidly decay by phonon emission, by virtue of the densely spaced valence-band levels. The recent emergence of PbSe as a novel quantum-dot material has rekindled the hope for a slow down of excited-state relaxation because hole relaxation was deemed to be ineffective on account of the widely spaced hole levels. The assumption of sparse hole energy levels in PbSe was based on an effective-mass argument based on the light effective mass of the hole. Surprisingly, fast intraband relaxation times of 1-7 ps were observed in PbSe quantum dots and have been considered contradictory with the Auger cooling mechanism because of the assumed sparsity of the hole energy levels. Our pseudopotential calculations, however, do not support the scenario of sparse hole levels in PbSe: Because of the existence of three valence-band maxima in the bulk PbSe band structure, hole energy levels are densely spaced, in contradiction with simple effective-mass models. The remaining question is whether the Auger decay channel is sufficiently fast to account for the fast intraband relaxation. Using the atomistic pseudopotential wave functions of Pb{sub 2046}Se{sub 2117} and Pb{sub 260}Se{sub 249} quantum dots, we explicitly calculated the electron-hole Coulomb integrals and the P {yields} S electron Auger relaxation rate. We find that the Auger mechanism can explain the experimentally observed P {yields} S intraband decay time scale without the need to invoke any exotic relaxation mechanisms.

  8. Excited State Effects in Nucleon Matrix Element Calculations

    SciTech Connect (OSTI)

    Constantia Alexandrou, Martha Constantinou, Simon Dinter, Vincent Drach, Karl Jansen, Theodoros Leontiou, Dru B Renner

    2011-12-01

    We perform a high-statistics precision calculation of nucleon matrix elements using an open sink method allowing us to explore a wide range of sink-source time separations. In this way the influence of excited states of nucleon matrix elements can be studied. As particular examples we present results for the nucleon axial charge g{sub A} and for the first moment of the isovector unpolarized parton distribution x{sub u-d}. In addition, we report on preliminary results using the generalized eigenvalue method for nucleon matrix elements. All calculations are performed using N{sub f} = 2+1+1 maximally twisted mass Wilson fermions.

  9. Multipole plasmon excitations of C{sub 60} dimers

    SciTech Connect (OSTI)

    Moradi, Afshin

    2014-07-14

    We study the multipole plasmon mode frequencies of a pair of C{sub 60} molecules by means of the linearized hydrodynamic theory for electronic excitations on the each C{sub 60} surface. We apply the two-center spherical coordinate system for mathematical convenience and find an explicit form of the surface plasmon energies. Numerical result shows when approaching the two C{sub 60} molecules, the coupling between the bare plasmon modes leads to the appearance of additional modes having energies that are different from those of the isolated C{sub 60} molecules.

  10. Relativistic Point Coupling Model for Vibrational Excitations in the Continuum

    SciTech Connect (OSTI)

    Ring, P.; Daoutidis, J.; Litvinova, E.; Niksic, T.; Paar, N.; Vretenar, D.

    2009-08-26

    An implementation of the relativistic random phase approximation with the proper treatment of the continuum has been developed for the relativistic point coupling model and applied to investigate collective excitations in spherical nuclei. The results are compared with the spectral implementation of the same model. In heavy nuclei, where the escape width is negligible, we find an excellent agreement between both methods in the region of giant resonance and some discrepancies in the region of low-lying pygmy resonance. The differences are more pronounced in light nuclei due to the larger values of the escape widths.

  11. Excitation Energy Sorting Mechanisms in Fission (Conference) | SciTech

    Office of Scientific and Technical Information (OSTI)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity of NaturalDukeWakefieldSulfate Reducing(Journal Article) | SciTech(Journal(Patent)pressure inrepeatsConnect Excitation

  12. Apparatus And Method Of Using Flexible Printed Circuit Board In Optical Transceiver Device

    DOE Patents [OSTI]

    Anderson, Gene R. (Albuquerque, NM); Armendariz, Marcelino G. (Albuquerque, NM); Bryan, Robert P. (Albuquerque, NM); Carson, Richard F. (Albuquerque, NM); Duckett, III, Edwin B. (Albuquerque, NM); McCormick, Frederick B. (Albuquerque, NM); Peterson, David W. (Sandia Park, NM); Peterson, Gary D. (Albuquerque, NM); Reysen, Bill H. (Lafayette, CO)

    2005-03-15

    This invention relates to a flexible printed circuit board that is used in connection with an optical transmitter, receiver or transceiver module. In one embodiment, the flexible printed circuit board has flexible metal layers in between flexible insulating layers, and the circuit board comprises: (1) a main body region orientated in a first direction having at least one electrical or optoelectronic device; (2) a plurality of electrical contact pads integrated into the main body region, where the electrical contact pads function to connect the flexible printed circuit board to an external environment; (3) a buckle region extending from one end of the main body region; and (4) a head region extending from one end of the buckle region, and where the head region is orientated so that it is at an angle relative to the direction of the main body region. The electrical contact pads may be ball grid arrays, solder balls or land-grid arrays, and they function to connect the circuit board to an external environment. A driver or amplifier chip may be adapted to the head region of the flexible printed circuit board. In another embodiment, a heat spreader passes along a surface of the head region of the flexible printed circuit board, and a window is formed in the head region of the flexible printed circuit board. Optoelectronic devices are adapted to the head spreader in such a manner that they are accessible through the window in the flexible printed circuit board.

  13. Excitation of phonons in a Bose-Einstein condensate by light scattering Light scattering imparts momentum to the condensate and creates an excitation (which

    E-Print Network [OSTI]

    Excitation of phonons in a Bose-Einstein condensate by light scattering Light scattering imparts momentum to the condensate and creates an excitation (which can be a phonon or a free particle). A detailed study of the scattered light should therefore reveal a detailed picture of the Bose condensate similar

  14. Direct laser immobilization of photosynthetic material on screen printed electrodes for amperometric biosensor

    SciTech Connect (OSTI)

    Boutopoulos, Christos; Zergioti, Ioanna; Touloupakis, Eleftherios; Pezzotti, Ittalo; Giardi, Maria Teresa

    2011-02-28

    This letter demonstrates the direct laser printing of photosynthetic material onto low cost nonfunctionalized screen printed electrodes for the fabrication of photosynthesis-based amperometric biosensors. The high kinetic energy of the transferred material induces direct immobilization of the thylakoids onto the electrodes without the use of linkers. This type of immobilization is able to establish efficient electrochemical contact between proteins and electrode, stabilizing the photosynthetic biomolecule and transporting electrons to the solid state device with high efficiency. The functionality of the laser printed biosensors was evaluated by the detection of a common herbicide such as Linuron.

  15. Excitation of Banded Whistler Waves in the Magnetosphere

    SciTech Connect (OSTI)

    Gary, S. Peter; Liu, Kaijun; Winske, Dan

    2012-07-13

    Banded whistler waves can be generated by the whistler anisotropy instability driven by two bi-Maxwellian electron components with T{sub {perpendicular}}/T{sub {parallel}} > 1 at different T{sub {parallel}} For typical magnetospheric condition of 1 < {omega}{sub e}/{Omega}{sub e} < 5 in regions associated with strong chorus, upper-band waves can be excited by anisotropic electrons below {approx} 1 keV, while lower-band waves are excited by anisotropic electrons above {approx} 10 keV. Lower-band waves are generally field-aligned and substantially electromagnetic, while upper-band waves propagate obliquely and have quasi-electrostatic fluctuating electric fields. The quasi-electrostatic feature of upper-band waves suggests that they may be more easily identified in electric field observations than in magnetic field observations. Upper-band waves are liable to Landau damping and the saturation level of upperband waves is lower than lower-band waves, consistent with observations that lower-band waves are stronger than upper-band waves on average. The oblique propagation, the lower saturation level, and the more severe Landau damping together would make upper-band waves more tightly confined to the geomagnetic equator (|{lambda}{sub m}| < {approx}10{sup o}) than lower-band waves.

  16. Self-excited vibrations in turning: cutting moment analysis

    E-Print Network [OSTI]

    Olivier Cahuc; Jean-Yves K'Nevez; Alain Gérard; Philippe Darnis; Gaëtan Albert; Claudiu F. Bisu; Céline Gérard

    2010-07-06

    This work aims at analysing the moment effects at the tool tip point and at the central axis, in the framework of a turning process. A testing device in turning, including a six-component dynamometer, is used to measure the complete torsor of the cutting actions in the case of self-excited vibrations. Many results are obtained regarding the mechanical actions torsor. A confrontation of the moment components at the tool tip and at the central axis is carried out. It clearly appears that analysing moments at the central axis avoids the disturbances induced by the transport of the moment of the mechanical actions resultant at the tool tip point. For instance, the order relation between the components of the forces is single. Furthermore, the order relation between the moments components expressed at the tool tip point is also single and the same one. But at the central axis, two different order relations regarding moments are conceivable. A modification in the rolling moment localization in the (y, z) tool plan is associated to these two order relations. Thus, the moments components at the central axis are particularly sensitive at the disturbances of machining, here the self-excited vibrations.

  17. Plasmon excitations in homogeneous neutron-star matter

    SciTech Connect (OSTI)

    Baldo, M.; Ducoin, C.

    2009-07-15

    We study the possible collective plasma modes which can affect neutron-star thermodynamics and different elementary processes in the baryonic density range between nuclear saturation {rho}{sub 0} and 3{rho}{sub 0}. In this region, the expected constituents of neutron-star matter are mainly neutrons, protons, electrons, and muons (npe{mu} matter), under the constraint of beta equilibrium. The elementary plasma excitations of the pe{mu} three-fluid medium are studied in the RPA framework. We emphasize the relevance of the Coulomb interaction among the three species, in particular, the interplay of the electron and muon screening in suppressing the possible proton plasma mode, which is converted into a sound-like mode. The Coulomb interaction alone is able to produce a variety of excitation branches and the full spectral function shows a rich structure at different energy. The genuine plasmon mode is pushed at high energy and it contains mainly an electron component with a substantial muon component, which increases with density. The plasmon is undamped for not too large momentum and is expected to be hardly affected by the nuclear interaction. All the other branches, which fall below the plasmon, are damped or over-damped.

  18. Embedding potentials for excited states of embedded species

    SciTech Connect (OSTI)

    Wesolowski, Tomasz A.

    2014-05-14

    Frozen-Density-Embedding Theory (FDET) is a formalism to obtain the upper bound of the ground-state energy of the total system and the corresponding embedded wavefunction by means of Euler-Lagrange equations [T. A. Wesolowski, Phys. Rev. A 77(1), 012504 (2008)]. FDET provides the expression for the embedding potential as a functional of the electron density of the embedded species, electron density of the environment, and the field generated by other charges in the environment. Under certain conditions, FDET leads to the exact ground-state energy and density of the whole system. Following Perdew-Levy theorem on stationary states of the ground-state energy functional, the other-than-ground-state stationary states of the FDET energy functional correspond to excited states. In the present work, we analyze such use of other-than-ground-state embedded wavefunctions obtained in practical calculations, i.e., when the FDET embedding potential is approximated. Three computational approaches based on FDET, that assure self-consistent excitation energy and embedded wavefunction dealing with the issue of orthogonality of embedded wavefunctions for different states in a different manner, are proposed and discussed.

  19. Towards manipulating relativistic laser pulses with 3D printed materials

    E-Print Network [OSTI]

    Ji, L L; Pukhov, A; Freeman, R R; Akli, K U

    2015-01-01

    Efficient coupling of intense laser pulses to solid-density matter is critical to many applications including ion acceleration for cancer therapy. At relativistic intensities, the focus has been mainly on investigating various laser beams irradiating initially flat interfaces with little or no control over the interaction. Here, we propose a novel approach that leverages recent advancements in 3D direct laser writing (DLW) of materials and high contrast lasers to manipulate the laser-matter interactions on the micro-scales. We demonstrate, via simulations, that usable intensities >10^23Wcm^(-2) could be achieved with current tabletop lasers coupled to 3D printed plasma lenses. We show that these plasma optical elements act not only as a lens to focus laser light, but also as an electromagnetic guide for secondary particle beams. These results open new paths to engineering light-matter interactions at ultra-relativistic intensities.

  20. Researchers find 3-D printed parts to provide low-cost, custom...

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    Researchers find 3-D printed parts to provide low-cost, custom alternatives for laboratory equipment By Raphael Rosen February 26, 2015 Tweet Widget Google Plus One Share on...

  1. Printed in the United States of America. Available from National Technical Information Service

    E-Print Network [OSTI]

    Oak Ridge National Laboratory

    U.S. Department of Commerce 5285 Port Royal Road, Springfield, Virginia 22161 Price: Printed Copy $4 OF TABLES ................................................... vi ABSTRACT ........................... 18 v #12;LIST OF TABLES Table Page 1 Integrated heating capacity and power input for heat pump

  2. Environmental Toxicology and Chemistry, Vol. 19, No. 2, pp. 271275, 2000 Printed in the USA

    E-Print Network [OSTI]

    Yu, Peter K.N.

    271 Environmental Toxicology and Chemistry, Vol. 19, No. 2, pp. 271­275, 2000 2000 SETAC Printed and Chemistry, §Centre for Coastal Pollution and Conservation, City University of Hong Kong, Tat Chee Avenue

  3. Environmental Toxicology and Chemistry, Vol. 24, No. 1, pp. 129135, 2005 Printed in the USA

    E-Print Network [OSTI]

    Yu, Peter K.N.

    129 Environmental Toxicology and Chemistry, Vol. 24, No. 1, pp. 129­135, 2005 2005 SETAC Printed,§ RUDOLF S.S. WU, and PAUL K.S. LAM* Department of Biology and Chemistry, Department of Physics

  4. This page does not print. Please use front-and-back

    E-Print Network [OSTI]

    Duchowski, Andrew T.

    This page does not print. Please use front-and-back cover layout at end of file. #12;Craig Mahaffey's astonishing to realize that the same basic knowledge used to conserve a historic submarine can be applied

  5. Send to Printer Back to Story This page has been printed from the following URL

    E-Print Network [OSTI]

    Menzel, Suzanne

    Send to Printer Back to Story This page has been printed from the following URL: http at the basics of computer programming at a Game Programming for Girls event held this month at the Seacoast

  6. Novel Inkjet-Printed Substrate Integrated Waveguide (SIW) Structures on Low-Cost

    E-Print Network [OSTI]

    Tentzeris, Manos

    on a multilayer paper substrate, which permits to implement low-cost and eco-friendly structures. A broadband waveguide, paper-based inkjet-printed technology, eco-friendly materials. I. INTRODUCTION The implementation

  7. The type of calligraphy : writing, print, and technologies of the Arabic alphabet

    E-Print Network [OSTI]

    Osborn, J. R. (Wayne)

    2008-01-01

    of the Beholder. ” Saudi Aramco World, May/June 1990: 10-5.Facing the future. ” Saudi Aramco World, March/April 1981.Art of Printing. ” Saudi Aramco World, March/April 1981: 20-

  8. UNIVERSITY OF HAWAII AT MANOA OCEANOGRAPHY SUPPLEMENTAL INFORMATION FORM TYPE OR PRINT CLEARLY.

    E-Print Network [OSTI]

    UNIVERSITY OF HAWAII AT MANOA · OCEANOGRAPHY SUPPLEMENTAL INFORMATION FORM TYPE OR PRINT CLEARLY. Semester FALL _______ SPRING _____ Intended Graduate Program Degree Objective OCEANOGRAPHY MS Ph.D. Concentration / Specialization (if any) Marine Geology & Geochemistry Physical Oceanography Biological

  9. Shape and Material Optimization for Bandwidth Improvement of Printed Antennas on High Contrast Substrates

    E-Print Network [OSTI]

    Sendur, Gullu Kiziltas

    Shape and Material Optimization for Bandwidth Improvement of Printed Antennas on High Contrast shape and material optimization technique is proposed to develop a miniature patch antenna having a dielectric constant of r =100. Keywords : Topology Optimization, Material Design, Patch Antenna

  10. SAVE THIS | EMAIL THIS | Close email this > print this > save this > rss >

    E-Print Network [OSTI]

    Barnes, Joshua Edward

    SAVE THIS | EMAIL THIS | Close email this > print this > save this > rss > OBSERVING BLOG by Kelly will blink and recoil instinctively. However, shine this defective laser at a modern energy-saving window

  11. Bob Ellis designs a PPPL first: A 3D printed mirror for microwave...

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    28, 2014 Tweet Widget Google Plus One Share on Facebook Bob Ellis with a 3D-printed plastic prototype for a non-mirror part of the launcher. (Photo by Elle StarkmanPPPL Office...

  12. Ethics and Information Technology 4: 19, 2002. 2002 Kluwer Academic Publishers. Printed in the Netherlands.

    E-Print Network [OSTI]

    Floridi, Luciano

    foundation, IE. Key words: computer ethics, information and communication technology, information ethics approach; CE ­ computer ethics; IA ­ innovative approach; ICT ­ information and communication technologiesEthics and Information Technology 4: 1­9, 2002. © 2002 Kluwer Academic Publishers. Printed

  13. Structural Integration of Silicon Solar Cells and Lithium-ion Batteries Using Printed Electronics

    E-Print Network [OSTI]

    Kang, Jin Sung

    2012-01-01

    Silicon Solar Cells and Lithium-ion Batteries Using PrintedSilicon Solar Cells and Lithium-ion Batteries Using Printedfor the system and lithium-ion batteries will be used to

  14. High-precision transfer-printing and integration of vertically oriented semiconductor arrays for flexible

    E-Print Network [OSTI]

    Yoo, S. J. Ben

    transfer printing, nanowires, flexible electronics, printable electronics, nanoscale devices ABSTRACT Flexible electronics utilizing single crystalline semiconductors typically require post-growth processes devices. High performance electronics on flexible substrates have been gaining attention from research

  15. Spec2Fab: A reducer-tuner model for translating specifications to 3D prints

    E-Print Network [OSTI]

    Chen, Desai

    Multi-material 3D printing allows objects to be composed of complex, heterogenous arrangements of materials. It is often more natural to define a functional goal than to define the material composition of an object. ...

  16. Spec2Fab : a reducer-tuner model for translating specifications to 3D prints

    E-Print Network [OSTI]

    Chen, Desai

    2013-01-01

    Multi-material 3D printing allows objects to be composed of complex, heterogeneous arrangements of materials. It is often more natural to define a functional goal than to define the material composition of an object. ...

  17. J. biosoc. Sci. (2001) 33, 503528 2001 Cambridge University Press Printed in the United Kingdom

    E-Print Network [OSTI]

    2001-01-01

    J. biosoc. Sci. (2001) 33, 503­528 2001 Cambridge University Press Printed in the United Kingdom and northern Brazil. They number approximately 15­20,000, and live in 200­250 widely scattered villages

  18. Structural Integration of Silicon Solar Cells and Lithium-ion Batteries Using Printed Electronics

    E-Print Network [OSTI]

    Kang, Jin Sung

    2012-01-01

    and K.L. Mittal, Polyimides: fundamentals and applications,earth orbit radiation on polyimides (UV degradation study),”fibers in the composite, polyimide ink was printed with a

  19. This form is interactive --complete electronically and print! Certification of Fitness For Duty

    E-Print Network [OSTI]

    Pillow, Jonathan

    This form is interactive -- complete electronically and print! Certification of Fitness For Duty referred to you for an evaluation and confirmation of fitness for duty based on the following observations

  20. Bimetallic bars with local control of composition by three-dimensional printing

    E-Print Network [OSTI]

    Techapiesancharoenkij, Ratchatee, 1979-

    2004-01-01

    Three Dimensional Printing (3DP) is a process that enables the fabrication of geometrically complex parts directly from computer-aided design (CAD) models. The success of 3DP as an alternative manufacturing technology to ...

  1. Ethics and Information Technology 3: 109112, 2001. 2001 Kluwer Academic Publishers. Printed in the Netherlands.

    E-Print Network [OSTI]

    De Montfort University

    Ethics and Information Technology 3: 109­112, 2001. © 2001 Kluwer Academic Publishers. Printed "disappear". Key words: applied ethics, computer ethics, cybernetics, global ethics, information ethics ­ which Wiener named `cybernetics'. With remarkable insight, Wiener combined the concepts of cybernetics

  2. In Situ X-Ray Scattering Helps Optimize Printed Solar Cells

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    an OPV solution onto a spinning substrate to spread the solution into a thin film (spin coating). In commercial roll-to-roll printing, the OPV "ink" is deposited through a slot...

  3. Flexographically Printed Rechargeable Zinc-based Battery for Grid Energy Storage

    E-Print Network [OSTI]

    Wang, Zuoqian

    2013-01-01

    In roll-to-roll equipment, slot- die coating stations orroll processed polymer solar cells free from indium- tin-oxide and vacuum coatingroll processed polymer solar cell modules: methods and manufacture using flexographic printing, slot-die coating

  4. Design and prototype of an automated system for commercially viable production using micro contact printing

    E-Print Network [OSTI]

    Chauhan, Karan

    2006-01-01

    This dissertation is a documentation of the thought process, its justification and the implementation details that went into prototyping a fully automated system employing Micro Contact Printing, an emerging technique for ...

  5. Elastomeric contact printing for sub-micron patterning of organic films

    E-Print Network [OSTI]

    Ramanan, Sulinya

    2012-01-01

    In this thesis, a novel diffusion-based contact-printing technology is investigated, by which a wide variety of low molecular weight organic materials can be patterned without added temperature, pressure, or chemical ...

  6. Process Development Plan for the In-line Inspection and Rework of Printed Circuit Boards

    E-Print Network [OSTI]

    Lee, Anthony Bill

    2007-12-14

    PCBnation is a leader in GPS-based navigational devices for the aviation industry. The company is vertically integrated and thus assembles all of its products internally from the individual piece parts to the final product. PCBnation’s Printed...

  7. Deposition of colloidal quantum dots by microcontact printing for LED display technology

    E-Print Network [OSTI]

    Kim, LeeAnn

    2006-01-01

    This thesis demonstrates a new deposition method of colloidal quantum dots within a quantum dot organic light-emitting diode (QD-LED). A monolayer of quantum dots is microcontact printed as small as 20 ,Lm lines as well ...

  8. Inkjet-Printed RFIDs for Wireless Sensing and Anti-counterfeiting

    E-Print Network [OSTI]

    Tentzeris, Manos

    , Vasileios Lakafosis, Anya Traille, Hoseon Lee, Edward Gebara, and Mauro Marroncelli Department of Electrical-printed. The high demand and the mass production of paper make it the cheapest and most available material ever made

  9. Effects of the polymeric binder system in slurry-based three dimensional printing of ceramics

    E-Print Network [OSTI]

    Holman Richard K. (Richard Kimbrough), 1973-

    2001-01-01

    The factors dictating the minimum feature size in Slurry-based Three Dimensional Printing (S-3DPTM) of ceramics have been examined, focusing on effects related to the polymeric binder system polyacrylic acid (PAA, MW 60000) ...

  10. Fabrication of complex oral drug delivery forms by Three Dimensional Printing (tm)

    E-Print Network [OSTI]

    Katstra, Wendy E. (Wendy Ellen), 1974-

    2001-01-01

    Three Dimensional Printing 3DPTM is a novel solid freeform fabrication technology that has been applied to the fabrication of complex pharmaceutical drug devices. Limitations of the technology as relating to pharmaceuticals ...

  11. Ann. appl. Bid. (1 998), 133:17-30 Printed in Grerrr Britain 17

    E-Print Network [OSTI]

    Ann. appl. Bid. (1 998), 133:17-30 Printed in Grerrr Britain 17 Chemical control of Alternaria to an ineffective chemical spray programme (Swart, unpublished data). These trees took two seasons to recover

  12. Development 114, 403-415 (1992) Printed in Great Britain The Company of Biologists Limited 1992

    E-Print Network [OSTI]

    Stern, Claudio

    1992-01-01

    Development 114, 403-415 (1992) Printed in Great Britain © The Company of Biologists Limited 1992 403 Commitment of mesoderm cells in Hensen's node of the chick embryo to notochord and somite MARK A

  13. Marine Geophysical Researches 20: 403423, 1998. 1998 Kluwer Academic Publishers. Printed in the Netherlands.

    E-Print Network [OSTI]

    Cattin, Rodolphe

    Marine Geophysical Researches 20: 403­423, 1998. © 1998 Kluwer Academic Publishers. Printed in the Netherlands. 403 A detailed study of the Gagua Ridge: A fracture zone uplifted during a plate reorganisation

  14. RESEARCH Open Access H low field nuclear magnetic resonance

    E-Print Network [OSTI]

    Stanford University

    ,5] and jatropha [6]; algae [7]; and waste materials such as recycled oils [8], municipal [9,10] and winery [11 biodiesel feedstocks according to oil content and viscosity. The tools allowed assignment into viscosity it can be manufactured using existing industrial production capacity, and used with conventional

  15. A review of "“Profit and Delight”: Printed Miscellanies in England, 1640-1682." by Adam Smyth 

    E-Print Network [OSTI]

    A.H. De Quehen

    2005-01-01

    our understanding is embed- ded in language and analogy, our inquiries therein can reveal vistas and delve depths. Adam Smyth. ?Profit and Delight?: Printed Miscellanies in England, 1640-1682. Detroit: Wayne State Univ. Press, 2004. xxii + 246 pp...-with-prose) collections that the seventeenth century produced. Adam Smyth is not directly concerned with manuscript miscellanies, or with printed volumes of political or university verse, or with commonplace or songbooks, all of which he mentions from time to time. His...

  16. Analytical Study on Thermal and Mechanical Design of Printed Circuit Heat Exchanger

    SciTech Connect (OSTI)

    Su-Jong Yoon; Piyush Sabharwall; Eung-Soo Kim

    2013-09-01

    The analytical methodologies for the thermal design, mechanical design and cost estimation of printed circuit heat exchanger are presented in this study. In this study, three flow arrangements of parallel flow, countercurrent flow and crossflow are taken into account. For each flow arrangement, the analytical solution of temperature profile of heat exchanger is introduced. The size and cost of printed circuit heat exchangers for advanced small modular reactors, which employ various coolants such as sodium, molten salts, helium, and water, are also presented.

  17. Beer powered bicycle: narrative ethnography and print representations of punk/hardcore culture 

    E-Print Network [OSTI]

    Stanbro, Stephanie M

    2013-02-22

    POWERED BICYCLE: NARRATIVE ETHNOGRAPHY AND PRINT REPRESENTATIONS OF PUNK/HARDCORE CULTURE A Senior Honors Thesis By Stephanie M, Stanbro Submitted to the Office of Honors Programs & Academic Scholarships Texas ARM University In partial fulfillment... of the requirements of the UNIVERSITY UNDERGRADUATE RESEARCH FELLOWS April 2000 Group: Cultural Studies BEER POWERED BICYCLE: NARRATIVE ETHNOGRAPHY AND PRINT REPRESENTATIONS OF PUNK/HARDCORE CULTURE A Senior Honors Thesis By Stephanie M. Stanbro Submitted...

  18. Excitation enhancement and extraction enhancement with photonic crystals

    DOE Patents [OSTI]

    Shapira, Ofer; Soljacic, Marin; Zhen, Bo; Chua, Song-Liang; Lee, Jeongwon; Joannopoulos, John

    2015-03-03

    Disclosed herein is a system for stimulating emission from at least one an emitter, such as a quantum dot or organic molecule, on the surface of a photonic crystal comprising a patterned dielectric substrate. Embodiments of this system include a laser or other source that illuminates the emitter and the photonic crystal, which is characterized by an energy band structure exhibiting a Fano resonance, from a first angle so as to stimulate the emission from the emitter at a second angle. The coupling between the photonic crystal and the emitter may result in spectral and angular enhancement of the emission through excitation and extraction enhancement. These enhancement mechanisms also reduce the emitter's lasing threshold. For instance, these enhancement mechanisms enable lasing of a 100 nm thick layer of diluted organic molecules solution with reduced threshold intensity. This reduction in lasing threshold enables more efficient organic light emitting devices and more sensitive molecular sensing.

  19. Pressure dependence of donor excitation spectra in AlSb

    SciTech Connect (OSTI)

    Hsu, L.; McCluskey, M.D.; Haller, E.E.

    2002-01-16

    We have investigated the behavior of ground to bound excited-state electronic transitions of Se and Te donors in AlSb as a function of hydrostatic pressure. Using broadband far-infrared Fourier transform spectroscopy, we observe qualitatively different behaviors of the electronic transition energies of the two donors. While the pressure derivative of the Te transition energy is small and constant, as might be expected for a shallow donor, the pressure derivatives of the Se transition energies are quadratic and large at low pressures, indicating that Se is actually a deep donor. In addition, at pressures between 30 and 50 kbar, we observe evidence of an anti-crossing between one of the selenium electronic transitions and a two-phonon mode.

  20. On Holographic Entanglement Entropy with Second Order Excitations

    E-Print Network [OSTI]

    Song He; Jia-Rui Sun; Hai-Qing Zhang

    2015-06-25

    We study the low-energy quantum excitation corrections to the holographic entanglement entropy (HEE) of the boundary CFT from the bulk gravitational perturbations up to second order. By focusing on the case when the boundary subsystem is a strip, we show that the bulk minimal surface can be expanded in terms of the conserved charges such as the mass, angular momentum and electric charge of the bulk AdS black brane when the black brane is a slightly perturbed geometry deviates from the pure AdS spacetime. We also calculate the energy of the subsystem in the CFT and argue that the first law-like relation for the subsystem should be satisfied at second order when the bulk geometry is stable under fluctuations at the same order. Moreover, the HEE is naturally bounded at quadratic order perturbations when the cosmic censorship conjecture for the bulk black hole is held.