Two-dimensional fluorescence spectroscopy of uranium isotopes in femtosecond laser ablation plumes

Abstract We demonstrate measurement of uranium isotopes in femtosecond laser ablation plumes using two-dimensional fluorescence spectroscopy (2DFS). The high-resolution, tunable CW-laser spectroscopy technique clearly distinguishes atomic absorption from 235U and 238U in natural and highly enriched...

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Autores principales:	Mark C. Phillips, Brian E. Brumfield, Nicole LaHaye, Sivanandan S. Harilal, Kyle C. Hartig, Igor Jovanovic
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2017
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/125dbf1433104be58d73f62cc9c22b43
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spelling	oai:doaj.org-article:125dbf1433104be58d73f62cc9c22b432021-12-02T15:05:44ZTwo-dimensional fluorescence spectroscopy of uranium isotopes in femtosecond laser ablation plumes10.1038/s41598-017-03865-92045-2322https://doaj.org/article/125dbf1433104be58d73f62cc9c22b432017-06-01T00:00:00Zhttps://doi.org/10.1038/s41598-017-03865-9https://doaj.org/toc/2045-2322Abstract We demonstrate measurement of uranium isotopes in femtosecond laser ablation plumes using two-dimensional fluorescence spectroscopy (2DFS). The high-resolution, tunable CW-laser spectroscopy technique clearly distinguishes atomic absorption from 235U and 238U in natural and highly enriched uranium metal samples. We present analysis of spectral resolution and analytical performance of 2DFS as a function of ambient pressure. Simultaneous measurement using time-resolved absorption spectroscopy provides information on temporal dynamics of the laser ablation plume and saturation behavior of fluorescence signals. The rapid, non-contact measurement is promising for in-field, standoff measurements of uranium enrichment for nuclear safety and security.Mark C. PhillipsBrian E. BrumfieldNicole LaHayeSivanandan S. HarilalKyle C. HartigIgor JovanovicNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 7, Iss 1, Pp 1-12 (2017)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Mark C. Phillips Brian E. Brumfield Nicole LaHaye Sivanandan S. Harilal Kyle C. Hartig Igor Jovanovic Two-dimensional fluorescence spectroscopy of uranium isotopes in femtosecond laser ablation plumes
description	Abstract We demonstrate measurement of uranium isotopes in femtosecond laser ablation plumes using two-dimensional fluorescence spectroscopy (2DFS). The high-resolution, tunable CW-laser spectroscopy technique clearly distinguishes atomic absorption from 235U and 238U in natural and highly enriched uranium metal samples. We present analysis of spectral resolution and analytical performance of 2DFS as a function of ambient pressure. Simultaneous measurement using time-resolved absorption spectroscopy provides information on temporal dynamics of the laser ablation plume and saturation behavior of fluorescence signals. The rapid, non-contact measurement is promising for in-field, standoff measurements of uranium enrichment for nuclear safety and security.
format	article
author	Mark C. Phillips Brian E. Brumfield Nicole LaHaye Sivanandan S. Harilal Kyle C. Hartig Igor Jovanovic
author_facet	Mark C. Phillips Brian E. Brumfield Nicole LaHaye Sivanandan S. Harilal Kyle C. Hartig Igor Jovanovic
author_sort	Mark C. Phillips
title	Two-dimensional fluorescence spectroscopy of uranium isotopes in femtosecond laser ablation plumes
title_short	Two-dimensional fluorescence spectroscopy of uranium isotopes in femtosecond laser ablation plumes
title_full	Two-dimensional fluorescence spectroscopy of uranium isotopes in femtosecond laser ablation plumes
title_fullStr	Two-dimensional fluorescence spectroscopy of uranium isotopes in femtosecond laser ablation plumes
title_full_unstemmed	Two-dimensional fluorescence spectroscopy of uranium isotopes in femtosecond laser ablation plumes
title_sort	two-dimensional fluorescence spectroscopy of uranium isotopes in femtosecond laser ablation plumes
publisher	Nature Portfolio
publishDate	2017
url	https://doaj.org/article/125dbf1433104be58d73f62cc9c22b43
work_keys_str_mv	AT markcphillips twodimensionalfluorescencespectroscopyofuraniumisotopesinfemtosecondlaserablationplumes AT brianebrumfield twodimensionalfluorescencespectroscopyofuraniumisotopesinfemtosecondlaserablationplumes AT nicolelahaye twodimensionalfluorescencespectroscopyofuraniumisotopesinfemtosecondlaserablationplumes AT sivanandansharilal twodimensionalfluorescencespectroscopyofuraniumisotopesinfemtosecondlaserablationplumes AT kylechartig twodimensionalfluorescencespectroscopyofuraniumisotopesinfemtosecondlaserablationplumes AT igorjovanovic twodimensionalfluorescencespectroscopyofuraniumisotopesinfemtosecondlaserablationplumes
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Two-dimensional fluorescence spectroscopy of uranium isotopes in femtosecond laser ablation plumes

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