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Title: Nanomechanical resonance detector

Abstract

An embodiment of a nanomechanical frequency detector includes a support structure and a plurality of elongated nanostructures coupled to the support structure. Each of the elongated nanostructures has a particular resonant frequency. The plurality of elongated nanostructures has a range of resonant frequencies. An embodiment of a method of identifying an object includes introducing the object to the nanomechanical resonance detector. A resonant response by at least one of the elongated nanostructures of the nanomechanical resonance detector indicates a vibrational mode of the object. An embodiment of a method of identifying a molecular species of the present invention includes introducing the molecular species to the nanomechanical resonance detector. A resonant response by at least one of the elongated nanostructures of the nanomechanical resonance detector indicates a vibrational mode of the molecular species.

Inventors:
;
Publication Date:
Research Org.:
LBNL (Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States))
Sponsoring Org.:
USDOE
OSTI Identifier:
1107793
Patent Number(s):
8,567,249
Application Number:
12/543,359
Assignee:
The Regents of the University of California (Oakland, CA) LBNL
DOE Contract Number:
AC02-05CH11231
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
47 OTHER INSTRUMENTATION

Citation Formats

Grossman, Jeffrey C, and Zettl, Alexander K. Nanomechanical resonance detector. United States: N. p., 2013. Web.
Grossman, Jeffrey C, & Zettl, Alexander K. Nanomechanical resonance detector. United States.
Grossman, Jeffrey C, and Zettl, Alexander K. Tue . "Nanomechanical resonance detector". United States. doi:. https://www.osti.gov/servlets/purl/1107793.
@article{osti_1107793,
title = {Nanomechanical resonance detector},
author = {Grossman, Jeffrey C and Zettl, Alexander K},
abstractNote = {An embodiment of a nanomechanical frequency detector includes a support structure and a plurality of elongated nanostructures coupled to the support structure. Each of the elongated nanostructures has a particular resonant frequency. The plurality of elongated nanostructures has a range of resonant frequencies. An embodiment of a method of identifying an object includes introducing the object to the nanomechanical resonance detector. A resonant response by at least one of the elongated nanostructures of the nanomechanical resonance detector indicates a vibrational mode of the object. An embodiment of a method of identifying a molecular species of the present invention includes introducing the molecular species to the nanomechanical resonance detector. A resonant response by at least one of the elongated nanostructures of the nanomechanical resonance detector indicates a vibrational mode of the molecular species.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Tue Oct 29 00:00:00 EDT 2013},
month = {Tue Oct 29 00:00:00 EDT 2013}
}

Patent:

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  • A resonance ionization imaging device (RIID) and method for imaging objects using the RIID are provided, the RIID system including a RIID cell containing an ionizable vapor including monoisotopic atoms or molecules, the cell being positioned to intercept scattered radiation of a resonance wavelength {lambda}{sub 1} from the object which is to be detected or imaged, a laser source disposed to illuminate the RIID cell with laser radiation having a wavelength {lambda}{sub 2} or wavelengths {lambda}{sub 2}, {lambda}{sub 3} selected to ionize atoms in the cell that are in an excited state by virtue of having absorbed the scattered resonancemore » laser radiation, and a luminescent screen at the back surface of the RIID cell which presents an image of the number and position of charged particles present in the RIID cell as a result of the ionization of the excited state atoms. The method of the invention further includes the step of initially illuminating the object to be detected or imaged with a laser having a wavelength selected such that the object will scatter laser radiation having the resonance wavelength {lambda}{sub 1}.« less
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  • A toroid cavity detection system for determining the spectral properties and distance from a fixed point for a sample using Nuclear Magnetic Resonance. The detection system consists of a toroid with a central conductor oriented along the main axis of the toroidal cylinder and perpendicular to a static uniform magnetic field oriented along the main axis of the toroid. An rf signal is inputted to the central conductor to produce a magnetic field perpendicular to the central axis of the toroid and whose field strength varies as the inverse of the radius of the toroid. The toroid cavity detection systemmore » can be used to encapsulate a sample, or the detection system can be perforated to allow a sample to flow into the detection device or to place the samples in specified sample tubes. The central conductor can also be coated to determine the spectral property of the coating and the coating thickness. The sample is then subjected to the respective magnetic fields and the responses measured to determine the desired properties.« less
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