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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 nucle-ar power, including the measurement of isotope ratios. One such important application of LIBS is the measure-ment 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 in-expensive and compact Fabry–Perot etalon integrated with a low to moderate resolution Czerny–Turner spec-trometer, to achieve the resolution needed for isotope selectivity of LIBS of uranium in ambient air. 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 (INL), Idaho Falls, ID (United States); Univ. of Michigan, Ann Arbor, MI (United States)
Sponsoring Organization:
USDOE National Nuclear Security Administration (NNSA)
Grant/Contract Number:
2012-DN-130-NF0001-02; AC07-05ID14517; NA0002534
OSTI ID:
1252732
Alternate ID(s):
OSTI ID: 1359834; OSTI ID: 1367563
Report Number(s):
INL/JOU-15-36251; PII: S0584854715002967
Journal Information:
Spectrochimica Acta. Part B, Atomic Spectroscopy, Vol. 116, Issue C; ISSN 0584-8547
Publisher:
ElsevierCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 18 works
Citation information provided by
Web of Science

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Cited By (6)

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
Progress of laser-induced breakdown spectroscopy in nuclear industry applications journal October 2019
Isotopic determination with molecular emission using laser-induced breakdown spectroscopy and laser-induced radical fluorescence journal January 2019
Gas Phase Chemical Evolution of Uranium, Aluminum, and Iron Oxides journal July 2018
Dual-Comb Spectroscopy of Laser-Induced Plasmas conference January 2017