Measurements of hot-electron temperature in laser-irradiated plasmas

Solodov, A. A.; Yaakobi, B.; Edgell, D. H.; Follett, R. K.; Myatt, J. F.; Sorce, C.; Froula, D. H.

doi:10.1063/1.4965905

Title: Measurements of hot-electron temperature in laser-irradiated plasmas

Journal Article · Wed Oct 26 00:00:00 EDT 2016 · Physics of Plasmas

DOI:https://doi.org/10.1063/1.4965905· OSTI ID:1330098

Solodov, A. A. ^[1]; Yaakobi, B. ^[1]; Edgell, D. H. ^[1]; Follett, R. K. ^[1]; Myatt, J. F. ^[1]; Sorce, C. ^[1]; Froula, D. H. ^[1]

Univ. of Rochester, Rochester, NY (United States)

In a recently published work^1–3 we reported on measuring the total energy of hot electrons produced by the interaction of a nanosecond laser with planar CH-coated molybdenum targets, using the Mo K_α emission. The temperature of the hot electrons in that work was determined by the high-energy bremsstrahlung [hard x-ray (HXR)] spectrum measured by a three-channel fluorescence-photomultiplier detector (HXRD). In the present work, we replaced the HXRD with a nine-channel image-plate (IP)–based detector (HXIP). For the same conditions (irradiance of the order of 10¹⁴ W/cm²; 2-ns pulses) the measured temperatures are consistently lower than those measured by the HXRD (by a factor ~1.5 to 1.7). In addition, we supplemented this measurement with three experiments that measure the hot-electron temperature using K_α line-intensity ratios from high-Z target layers, independent of the HXR emission. These experiments yielded temperatures that were consistent with those measured by the HXIP. We showed that the thermal x-ray radiation must be included in the derivation of total energy in hot electrons (E_hot), and that this makes E_hot only weakly dependent on hot-electron temperature. For a given x-ray emission in inertial confinement fusion compression experiments, this result would lead to a higher total energy in hot electrons, but the preheat of the compressed fuel may be lower because of the reduced hot-electron range.

View Accepted Manuscript (DOE)

View Accepted Manuscript (Publisher)

Cite

Export

Save

Research Organization:: Univ. of Rochester, NY (United States)

Sponsoring Organization:: USDOE

Grant/Contract Number:: NA0001944

OSTI ID:: 1330098

Alternate ID(s):: OSTI ID: 1330118

Journal Information:: Physics of Plasmas, Vol. 23, Issue 10; ISSN 1070-664X

Publisher:: American Institute of Physics (AIP)Copyright Statement

Country of Publication:: United States

Language:: English

Citation Metrics:

Cited by: 16 works

Citation information provided by
Web of Science

References (29)

Saturation Spectra of the Two-Plasmon Decay Instability DuBois, D. F.; Russell, D. A.; Rose, Harvey A. Physical Review Letters, Vol. 74, Issue 20 https://doi.org/10.1103/PhysRevLett.74.3983	journal	May 1995
Role of Hot-Electron Preheating in the Compression of Direct-Drive Imploding Targets with Cryogenic $D_{2}$ Ablators Smalyuk, V. A.; Shvarts, D.; Betti, R. Physical Review Letters, Vol. 100, Issue 18 https://doi.org/10.1103/PhysRevLett.100.185005	journal	May 2008
Hot-electron production and suprathermal heat flux scaling with laser intensity from the two-plasmon–decay instability Vu, H. X.; DuBois, D. F.; Myatt, J. F. Physics of Plasmas, Vol. 19, Issue 10 https://doi.org/10.1063/1.4757978	journal	October 2012
Saturation of the Two-Plasmon Decay Instability in Long-Scale-Length Plasmas Relevant to Direct-Drive Inertial Confinement Fusion Froula, D. H.; Yaakobi, B.; Hu, S. X. Physical Review Letters, Vol. 108, Issue 16 https://doi.org/10.1103/PhysRevLett.108.165003	journal	April 2012
Phase conversion of lasers with low-loss distributed phase plates Kessler, Terrance J.; Lin, Ying; Armstrong, J. Joseph OE/LASE'93: Optics, Electro-Optics, & Laser Applications in Science& Engineering, SPIE Proceedings https://doi.org/10.1117/12.154474	conference	May 1993
Kinetic simulations of stimulated Raman backscattering and related processes for the shock-ignition approach to inertial confinement fusion Riconda, C.; Weber, S.; Tikhonchuk, V. T. Physics of Plasmas, Vol. 18, Issue 9 https://doi.org/10.1063/1.3630937	journal	September 2011
$\frac{3}{2} ω_{0}$ Radiation from the Laser-Driven Two-Plasmon Decay Instability in an Inhomogeneous Plasma Russell, D. A.; DuBois, D. F. Physical Review Letters, Vol. 86, Issue 3 https://doi.org/10.1103/PhysRevLett.86.428	journal	January 2001
Hot-electron generation by “cavitating” Langmuir turbulence in the nonlinear stage of the two-plasmon–decay instability Vu, H. X.; DuBois, D. F.; Russell, D. A. Physics of Plasmas, Vol. 19, Issue 10 https://doi.org/10.1063/1.4764075	journal	October 2012
Energy Deposition in Laser-Heated Plasmas Brueckner, Keith A. Physical Review Letters, Vol. 36, Issue 12 https://doi.org/10.1103/PhysRevLett.36.677	journal	March 1976
Direct Measurement of Energetic Electrons Coupling to an Imploding Low-Adiabat Inertial Confinement Fusion Capsule Döppner, T.; Thomas, C. A.; Divol, L. Physical Review Letters, Vol. 108, Issue 13 https://doi.org/10.1103/PhysRevLett.108.135006	journal	March 2012
Hard x-ray detectors for OMEGA and NIF Stoeckl, C.; Glebov, V. Yu.; Meyerhofer, D. D. Review of Scientific Instruments, Vol. 72, Issue 1 https://doi.org/10.1063/1.1322621	journal	January 2001
The dynamics of hot-electron heating in direct-drive-implosion experiments caused by two-plasmon-decay instability Myatt, J. F.; Zhang, J.; Delettrez, J. A. Physics of Plasmas, Vol. 19, Issue 2 https://doi.org/10.1063/1.3683004	journal	February 2012
Improving the hot-spot pressure and demonstrating ignition hydrodynamic equivalence in cryogenic deuterium–tritium implosions on OMEGA Goncharov, V. N.; Sangster, T. C.; Betti, R. Physics of Plasmas, Vol. 21, Issue 5 https://doi.org/10.1063/1.4876618	journal	May 2014
Generating energetic electrons through staged acceleration in the two-plasmon-decay instability in inertial confinement fusion Yan, R.; Ren, C.; Li, J. Physical Review Letters, Vol. 108, Issue 17 https://doi.org/10.1103/PhysRevLett.108.175002	journal	April 2012
Accurate condensed history Monte Carlo simulation of electron transport. I. EGS nrc, the new EGS4 version Kawrakow, I. Medical Physics, Vol. 27, Issue 3 https://doi.org/10.1118/1.598917	journal	March 2000
On the inhomogeneous two-plasmon instability Simon, A. Physics of Fluids, Vol. 26, Issue 10 https://doi.org/10.1063/1.864037	journal	January 1983
Measured hot-electron intensity thresholds quantified by a two-plasmon-decay resonant common-wave gain in various experimental configurations Michel, D. T.; Maximov, A. V.; Short, R. W. Physics of Plasmas, Vol. 20, Issue 5 https://doi.org/10.1063/1.4803090	journal	May 2013
Measurements of the divergence of fast electrons in laser-irradiated spherical targets Yaakobi, B.; Solodov, A. A.; Myatt, J. F. Physics of Plasmas, Vol. 20, Issue 9 https://doi.org/10.1063/1.4824008	journal	September 2013
Mitigation of two-plasmon decay in direct-drive inertial confinement fusion through the manipulation of ion-acoustic and Langmuir wave damping Myatt, J. F.; Vu, H. X.; DuBois, D. F. Physics of Plasmas, Vol. 20, Issue 5 https://doi.org/10.1063/1.4807036	journal	May 2013
Laser–plasma interactions in direct-drive ignition plasmas Froula, D. H.; Michel, D. T.; Igumenshchev, I. V. Plasma Physics and Controlled Fusion, Vol. 54, Issue 12 https://doi.org/10.1088/0741-3335/54/12/124016	journal	November 2012
Two-Plasmon Decay Mitigation in Direct-Drive Inertial-Confinement-Fusion Experiments Using Multilayer Targets Follett, R. K.; Delettrez, J. A.; Edgell, D. H. Physical Review Letters, Vol. 116, Issue 15 https://doi.org/10.1103/PhysRevLett.116.155002	journal	April 2016
Experimental Validation of the Two-Plasmon-Decay Common-Wave Process Michel, D. T.; Maximov, A. V.; Short, R. W. Physical Review Letters, Vol. 109, Issue 15 https://doi.org/10.1103/PhysRevLett.109.155007	journal	October 2012
X-ray emission caused by Raman scattering in long-scale-length plasmas Drake, R. P.; Turner, R. E.; Lasinski, B. F. Physical Review A, Vol. 40, Issue 6 https://doi.org/10.1103/PhysRevA.40.3219	journal	September 1989
Evaluation of the sensitivity and fading characteristics of an image plate system for x-ray diagnostics Meadowcroft, A. L.; Bentley, C. D.; Stott, E. N. Review of Scientific Instruments, Vol. 79, Issue 11 https://doi.org/10.1063/1.3013123	journal	November 2008
Fast saturation of the two-plasmon-decay instability for shock-ignition conditions Weber, S.; Riconda, C.; Klimo, O. Physical Review E, Vol. 85, Issue 1 https://doi.org/10.1103/PhysRevE.85.016403	journal	January 2012
Hydrodynamic simulations of long-scale-length two-plasmon–decay experiments at the Omega Laser Facility Michel, D. T.; Edgell, D. H.; Froula, D. H. Physics of Plasmas, Vol. 20, Issue 3 https://doi.org/10.1063/1.4794285	journal	March 2013
Multiple Beam Two-Plasmon Decay: Linear Threshold to Nonlinear Saturation in Three Dimensions Zhang, J.; Myatt, J. F.; Short, R. W. Physical Review Letters, Vol. 113, Issue 10 https://doi.org/10.1103/PhysRevLett.113.105001	journal	September 2014
Fast-electron generation in long-scale-length plasmas Yaakobi, B.; Chang, P. -Y.; Solodov, A. Physics of Plasmas, Vol. 19, Issue 1 https://doi.org/10.1063/1.3676153	journal	January 2012
A new type of X-ray area detector utilizing laser stimulated luminescence Miyahara, Junji; Takahashi, Kenji; Amemiya, Yoshiyuki Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 246, Issue 1-3 https://doi.org/10.1016/0168-9002(86)90156-7	journal	May 1986

Cited By (5)

Mitigation of hot electrons from laser-plasma instabilities in high-Z, highly ionized plasmas Fein, J. R.; Holloway, J. P.; Trantham, M. R. Physics of Plasmas, Vol. 24, Issue 3 https://doi.org/10.1063/1.4978625	journal	March 2017
Simulations and measurements of hot-electron generation driven by the multibeam two-plasmon-decay instability Follett, R. K.; Myatt, J. F.; Shaw, J. G. Physics of Plasmas, Vol. 24, Issue 10 https://doi.org/10.1063/1.4998934	journal	October 2017
Readout models for BaFBr _0.85 I _0.15 :Eu image plates Stoeckl, M.; Solodov, A. A. Review of Scientific Instruments, Vol. 89, Issue 6 https://doi.org/10.1063/1.5016292	journal	June 2018
High-energy differential-filtering photon spectrometer for ultraintense laser-matter interactions Williams, G. J.; Tommasini, R.; Lemos, N. Review of Scientific Instruments, Vol. 89, Issue 10 https://doi.org/10.1063/1.5039383	journal	October 2018
Characterization of an imploding cylindrical plasma for electron transport studies using x-ray emission spectroscopy Dozières, M.; Hansen, S.; Forestier-Colleoni, P. Physics of Plasmas, Vol. 27, Issue 2 https://doi.org/10.1063/1.5125271	journal	February 2020

Similar Records

Refining instrument response functions with 3-D Monte Carlo simulations of differential hard x-ray spectrometers

Journal Article · Thu Apr 11 00:00:00 EDT 2019 · Nuclear Instruments and Methods in Physics Research. Section A, Accelerators, Spectrometers, Detectors and Associated Equipment · OSTI ID:1330098

Stoeckl, M.; Solodov, A. A.

Calibration of a time-resolved hard-x-ray detector using radioactive sources

Journal Article · Tue Nov 15 00:00:00 EST 2016 · Review of Scientific Instruments · OSTI ID:1330098

Theobald, W.; Regan, S. P.; Romanofsky, M. H.

Time-resolved measurements of the hot-electron population in ignition-scale experiments on the National Ignition Facility (invited)

Journal Article · Thu Jul 24 00:00:00 EDT 2014 · Review of Scientific Instruments · OSTI ID:1330098

Hohenberger, M.; Albert, F.; Palmer, N. E.; +9 more

Related Subjects

70 PLASMA PHYSICS AND FUSION TECHNOLOGY

Title: Measurements of hot-electron temperature in laser-irradiated plasmas

Citation Formats

References (29)

Cited By (5)

Similar Records

Related Subjects