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Title: Hybrid interferometric/dispersive atomic spectroscopy of laser-induced uranium plasma

Journal Article · · Spectrochimica Acta. Part B, Atomic Spectroscopy
 [1];  [2];  [1]
  1. The Pennsylvania State Univ., University Park, PA (United States)
  2. Idaho National Lab. (INL), Idaho Falls, ID (United States)

An established optical emission spectroscopy technique, laser-induced breakdown spectroscopy (LIBS), holds promise for detection and rapid analysis of elements relevant for nuclear safeguards, nonproliferation, and nuclear power, including the measurement of isotope ratios. One such important application of LIBS is the measurement of uranium enrichment (235U/238U), which requires high spectral resolution (e.g., 25 pm for the 424.4 nm U II line). High-resolution dispersive spectrometers necessary for such measurements are typically bulky and expensive. We demonstrate the use of an alternative measurement approach, which is based on an inexpensive and compact Fabry–Perot etalon integrated with a low to moderate resolution Czerny–Turner spectrometer, to achieve the resolution needed for isotope selectivity of LIBS of uranium in ambient air. Furthermore, spectral line widths of ~ 10 pm have been measured at a center wavelength 424.437 nm, clearly discriminating the natural from the highly enriched uranium.

Research Organization:
Idaho National Laboratory, Idaho Falls, ID (United States); Univ. of Michigan, Ann Arbor, MI (United States)
Sponsoring Organization:
USDOE National Nuclear Security Administration (NNSA)
Grant/Contract Number:
AC07-05ID14517; NA0002534
OSTI ID:
1252732
Report Number(s):
INL/JOU--15-36251; PII: S0584854715002967
Journal Information:
Spectrochimica Acta. Part B, Atomic Spectroscopy, Journal Name: Spectrochimica Acta. Part B, Atomic Spectroscopy Journal Issue: C Vol. 116; ISSN 0584-8547
Publisher:
ElsevierCopyright Statement
Country of Publication:
United States
Language:
English

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Remote material analysis of nuclear power station steam generator tubes by laser-induced breakdown spectroscopy journal June 2001
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Temperature effect on laser-induced breakdown spectroscopy spectra of molten and solid salts journal July 2014
Enhancement of intensity in microwave-assisted laser-induced breakdown spectroscopy for remote analysis of nuclear fuel recycling journal January 2014
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Determination of isotope ratios using Laser-Induced Breakdown Spectroscopy in ambient air at atmospheric pressure for nuclear forensics journal January 2011
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Cited By (8)

Two-dimensional fluorescence spectroscopy of uranium isotopes in femtosecond laser ablation plumes journal June 2017
Dual-Comb Spectroscopy of Laser-Induced Plasmas conference January 2017
Dual-comb spectroscopy of laser-induced plasmas journal March 2018
Two-dimensional fluorescence spectroscopy of uranium isotopes in femtosecond laser ablation plumes journal June 2017
Gas Phase Chemical Evolution of Uranium, Aluminum, and Iron Oxides journal July 2018
Progress of laser-induced breakdown spectroscopy in nuclear industry applications journal October 2019
Dual-Comb Spectroscopy of Laser-Induced Plasmas conference January 2017
Isotopic determination with molecular emission using laser-induced breakdown spectroscopy and laser-induced radical fluorescence journal January 2019

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