Analysis of high-resolution spectra from a hybrid interferometric/dispersive spectrometer
Abstract
To more fully take advantage of a low-cost, small footprint hybrid interferometric/dispersive spectro-meter, a mathematical reconstruction technique was developed to accurately capture the high-resolution and relative peak intensities from complex spectral patterns. A Fabry–Perot etalon was coupled to a Czerny–Turner spectrometer, leading to increased spectral resolution by more than an order of magni-tude without the commensurate increase in spectrometer size. Measurement of the industry standard Hg 313.1555/313.1844 nm doublet yielded a ratio of 0.682, which agreed well with an independent mea-surement and literature values. The doublet separation (29 pm) is similar to the U isotope shift (25 pm) at 424.437 nm that is of interest to monitoring nuclear nonproliferation activities. Additionally, the technique was applied to LIBS measurement of the mineral cinnabar (HgS) and resulted in a ratio of 0.682. This reconstruction method could enable significantly smaller, portable high-resolution instru-ments with isotopic specificity, benefiting a variety of spectroscopic applications.
- Authors:
-
- The Pennsylvania State Univ., University Park, PA (United States)
- Idaho National Lab. (INL), Idaho Falls, ID (United States)
- Publication Date:
- Research Org.:
- Idaho National Lab. (INL), Idaho Falls, ID (United States); Univ. of Michigan, Ann Arbor, MI (United States)
- Sponsoring Org.:
- USDOE Office of Energy Efficiency and Renewable Energy (EERE); USDOE National Nuclear Security Administration (NNSA)
- OSTI Identifier:
- 1234471
- Alternate Identifier(s):
- OSTI ID: 1359716; OSTI ID: 1367668
- Report Number(s):
- INL/JOU-15-36165
Journal ID: ISSN 0030-4018
- Grant/Contract Number:
- AC07-05ID14517; NA0002534
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Optics Communications
- Additional Journal Information:
- Journal Volume: 357; Journal Issue: C; Journal ID: ISSN 0030-4018
- Publisher:
- Elsevier
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY; hybrid interferometric/dispersive spectrometer; isotopic specificity; Fabry-Perot; high-resolution spectroscopy; fringe analysis; laser-induced breakdown spectroscopy; 71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS; Fabry–Perot
Citation Formats
Ko, Phyllis, Scott, Jill R., and Jovanovic, Igor. Analysis of high-resolution spectra from a hybrid interferometric/dispersive spectrometer. United States: N. p., 2015.
Web. doi:10.1016/j.optcom.2015.08.077.
Ko, Phyllis, Scott, Jill R., & Jovanovic, Igor. Analysis of high-resolution spectra from a hybrid interferometric/dispersive spectrometer. United States. https://doi.org/10.1016/j.optcom.2015.08.077
Ko, Phyllis, Scott, Jill R., and Jovanovic, Igor. Sat .
"Analysis of high-resolution spectra from a hybrid interferometric/dispersive spectrometer". United States. https://doi.org/10.1016/j.optcom.2015.08.077. https://www.osti.gov/servlets/purl/1234471.
@article{osti_1234471,
title = {Analysis of high-resolution spectra from a hybrid interferometric/dispersive spectrometer},
author = {Ko, Phyllis and Scott, Jill R. and Jovanovic, Igor},
abstractNote = {To more fully take advantage of a low-cost, small footprint hybrid interferometric/dispersive spectro-meter, a mathematical reconstruction technique was developed to accurately capture the high-resolution and relative peak intensities from complex spectral patterns. A Fabry–Perot etalon was coupled to a Czerny–Turner spectrometer, leading to increased spectral resolution by more than an order of magni-tude without the commensurate increase in spectrometer size. Measurement of the industry standard Hg 313.1555/313.1844 nm doublet yielded a ratio of 0.682, which agreed well with an independent mea-surement and literature values. The doublet separation (29 pm) is similar to the U isotope shift (25 pm) at 424.437 nm that is of interest to monitoring nuclear nonproliferation activities. Additionally, the technique was applied to LIBS measurement of the mineral cinnabar (HgS) and resulted in a ratio of 0.682. This reconstruction method could enable significantly smaller, portable high-resolution instru-ments with isotopic specificity, benefiting a variety of spectroscopic applications.},
doi = {10.1016/j.optcom.2015.08.077},
journal = {Optics Communications},
number = C,
volume = 357,
place = {United States},
year = {Sat Sep 05 00:00:00 EDT 2015},
month = {Sat Sep 05 00:00:00 EDT 2015}
}
Web of Science
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