Differential laser absorption spectroscopy of uranium in an atmospheric pressure laser-induced plasma

N. R. Taylor; M. C. Phillips

doi:10.1364/OL.39.000594

Differential laser absorption spectroscopy of uranium in an atmospheric pressure laser-induced plasma

N. R. Taylor, M. C. Phillips

Research output: Contribution to journal › Article › peer-review

62 Scopus citations

Abstract

A two-beam differential laser absorption technique is used to measure ²³⁸U absorption spectra with high signal-tonoise ratios in an atmospheric pressure laser-induced plasma. High-resolution absorption spectra are presented for the ²³⁸U 861 nm transition in the presence of dry air at pressures up to 760 Torr. A spectral linewidth (FWHM) of 2.23 ± 0.13 GHz was found for the ²³⁸U line in dry air at 760 Torr. Absorption spectrum measurements using a low ²³⁸U concentration NIST glass standard were used to demonstrate sensitivity of the approach.

Original language	English (US)
Pages (from-to)	594-597
Number of pages	4
Journal	Optics letters
Volume	39
Issue number	3
DOIs	https://doi.org/10.1364/OL.39.000594
State	Published - Feb 1 2014
Externally published	Yes

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics

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10.1364/OL.39.000594

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abstract = "A two-beam differential laser absorption technique is used to measure 238U absorption spectra with high signal-tonoise ratios in an atmospheric pressure laser-induced plasma. High-resolution absorption spectra are presented for the 238U 861 nm transition in the presence of dry air at pressures up to 760 Torr. A spectral linewidth (FWHM) of 2.23 ± 0.13 GHz was found for the 238U line in dry air at 760 Torr. Absorption spectrum measurements using a low 238U concentration NIST glass standard were used to demonstrate sensitivity of the approach.",

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AB - A two-beam differential laser absorption technique is used to measure 238U absorption spectra with high signal-tonoise ratios in an atmospheric pressure laser-induced plasma. High-resolution absorption spectra are presented for the 238U 861 nm transition in the presence of dry air at pressures up to 760 Torr. A spectral linewidth (FWHM) of 2.23 ± 0.13 GHz was found for the 238U line in dry air at 760 Torr. Absorption spectrum measurements using a low 238U concentration NIST glass standard were used to demonstrate sensitivity of the approach.

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Differential laser absorption spectroscopy of uranium in an atmospheric pressure laser-induced plasma

Abstract

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