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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 50, Iss. 3 — Jan. 20, 2011
  • pp: 313–317

Comparative study of femtosecond and nanosecond laser-induced breakdown spectroscopy of depleted uranium

Luke A. Emmert, Rosemarie C. Chinni, David A. Cremers, C. Randy Jones, and Wolfgang Rudolph  »View Author Affiliations


Applied Optics, Vol. 50, Issue 3, pp. 313-317 (2011)
http://dx.doi.org/10.1364/AO.50.000313


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Abstract

We present spectra of depleted uranium metal from laser plasmas generated by nanosecond Nd:YAG ( 1064 nm ) and femtosecond Ti:sapphire ( 800 nm ) laser pulses. The latter pulses produce short-lived and relatively cool plasmas in comparison to the longer pulses, and the spectra of neutral uranium atoms appear immediately after excitation. Evidence for nonequilibrium excitation with femtosecond pulses is found in the dependence of spectral line intensities on the pulse chirp.

© 2011 Optical Society of America

OCIS Codes
(160.2120) Materials : Elements
(320.7090) Ultrafast optics : Ultrafast lasers
(300.6365) Spectroscopy : Spectroscopy, laser induced breakdown

ToC Category:
Spectroscopy

History
Original Manuscript: June 17, 2010
Revised Manuscript: November 14, 2010
Manuscript Accepted: November 15, 2010
Published: January 14, 2011

Citation
Luke A. Emmert, Rosemarie C. Chinni, David A. Cremers, C. Randy Jones, and Wolfgang Rudolph, "Comparative study of femtosecond and nanosecond laser-induced breakdown spectroscopy of depleted uranium," Appl. Opt. 50, 313-317 (2011)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-50-3-313

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