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Optics Letters

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  • Editor: Xi-Cheng Zhang
  • Vol. 39, Iss. 3 — Feb. 1, 2014
  • pp: 594–597

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

N. R. Taylor and M. C. Phillips  »View Author Affiliations


Optics Letters, Vol. 39, Issue 3, pp. 594-597 (2014)
http://dx.doi.org/10.1364/OL.39.000594


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Abstract

A two-beam differential laser absorption technique is used to measure U238 absorption spectra with high signal-to-noise ratios in an atmospheric pressure laser-induced plasma. High-resolution absorption spectra are presented for the U238 861 nm transition in the presence of dry air at pressures up to 760 Torr. A spectral linewidth (FWHM) of 2.23±0.13GHz was found for the U238 line in dry air at 760 Torr. Absorption spectrum measurements using a low U238 concentration NIST glass standard were used to demonstrate sensitivity of the approach.

© 2014 Optical Society of America

OCIS Codes
(020.3690) Atomic and molecular physics : Line shapes and shifts
(140.3440) Lasers and laser optics : Laser-induced breakdown
(300.1030) Spectroscopy : Absorption
(300.6210) Spectroscopy : Spectroscopy, atomic
(280.5395) Remote sensing and sensors : Plasma diagnostics

ToC Category:
Spectroscopy

History
Original Manuscript: November 11, 2013
Revised Manuscript: December 20, 2013
Manuscript Accepted: December 21, 2013
Published: January 27, 2014

Citation
N. R. Taylor and M. C. Phillips, "Differential laser absorption spectroscopy of uranium in an atmospheric pressure laser-induced plasma," Opt. Lett. 39, 594-597 (2014)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-39-3-594

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