Spectroscopic methods and systems for isotopic analysis
Abstract
Disclosed are spectroscopy systems and methods. A spectroscopy system can include a reference cell and a multi-pass sample cell. The reference arm can include an etalon and a reference cavity containing a reference gas. A system can include a fractional sublimation cold trap. Detectors of the reference and sample arms can detect both intensity and absorption spectra of impinging beams. A frequency calibration based on a reference absorption spectra can be used to analyze a sample absorption spectrum. The analysis can provide information regarding an absorption band shift of the sample absorption spectrum, said shift being related to the isotope concentration of the sample.
- Inventors:
- Issue Date:
- Research Org.:
- Savannah River Site (SRS), Aiken, SC (United States)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1840495
- Patent Number(s):
- 11131628
- Application Number:
- 16/872,533
- Assignee:
- Savannah River Nuclear Solutions, LLC (Aiken, SC)
- Patent Classifications (CPCs):
-
G - PHYSICS G01 - MEASURING G01N - INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- DOE Contract Number:
- AC09-08SR2470
- Resource Type:
- Patent
- Resource Relation:
- Patent File Date: 05/12/2020
- Country of Publication:
- United States
- Language:
- English
Citation Formats
O'Rourke, Patrick E., Strange Fessler, Kimberly Alicia, Deroller, Nicholas F., and Serkiz, Steven M.. Spectroscopic methods and systems for isotopic analysis. United States: N. p., 2021.
Web.
O'Rourke, Patrick E., Strange Fessler, Kimberly Alicia, Deroller, Nicholas F., & Serkiz, Steven M.. Spectroscopic methods and systems for isotopic analysis. United States.
O'Rourke, Patrick E., Strange Fessler, Kimberly Alicia, Deroller, Nicholas F., and Serkiz, Steven M.. Tue .
"Spectroscopic methods and systems for isotopic analysis". United States. https://www.osti.gov/servlets/purl/1840495.
@article{osti_1840495,
title = {Spectroscopic methods and systems for isotopic analysis},
author = {O'Rourke, Patrick E. and Strange Fessler, Kimberly Alicia and Deroller, Nicholas F. and Serkiz, Steven M.},
abstractNote = {Disclosed are spectroscopy systems and methods. A spectroscopy system can include a reference cell and a multi-pass sample cell. The reference arm can include an etalon and a reference cavity containing a reference gas. A system can include a fractional sublimation cold trap. Detectors of the reference and sample arms can detect both intensity and absorption spectra of impinging beams. A frequency calibration based on a reference absorption spectra can be used to analyze a sample absorption spectrum. The analysis can provide information regarding an absorption band shift of the sample absorption spectrum, said shift being related to the isotope concentration of the sample.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2021},
month = {9}
}
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