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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 43, Iss. 13 — May. 1, 2004
  • pp: 2786–2791

Effects of sample temperature in femtosecond single-pulse laser-induced breakdown spectroscopy

Jon Scaffidi, William Pearman, J. Chance Carter, Bill W. Colston, Jr., and S. Michael Angel  »View Author Affiliations


Applied Optics, Vol. 43, Issue 13, pp. 2786-2791 (2004)
http://dx.doi.org/10.1364/AO.43.002786


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Abstract

As much as tenfold atomic emission enhancements have been observed in experiments combining nanosecond (ns) and femtosecond (fs) laser pulses in an orthogonal dual-pulse configuration for laser-induced breakdown spectroscopy (ns–fs orthogonal dual-pulse LIBS). In the examination of one of several potential sources of these atomic emission enhancements (sample heating by a ns air spark), minor reductions in atomic emission and as much as 15-fold improvements in mass removal have been observed for fs single-pulse LIBS of heated brass and aluminum samples. These results suggest that, although material removal with a high-powered, ultrashort fs pulse is temperature dependent, sample heating by the ns air spark is not the source of the atomic emission enhancements observed in ns–fs orthogonal dual-pulse LIBS.

© 2004 Optical Society of America

OCIS Codes
(140.3440) Lasers and laser optics : Laser-induced breakdown
(300.2140) Spectroscopy : Emission
(300.6210) Spectroscopy : Spectroscopy, atomic

History
Original Manuscript: September 12, 2003
Revised Manuscript: January 30, 2003
Published: May 1, 2004

Citation
Jon Scaffidi, William Pearman, J. Chance Carter, Bill W. Colston, and S. Michael Angel, "Effects of sample temperature in femtosecond single-pulse laser-induced breakdown spectroscopy," Appl. Opt. 43, 2786-2791 (2004)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-43-13-2786

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