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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 42, Iss. 30 — Oct. 20, 2003
  • pp: 5947–5962

Kinetic modeling of the laser-induced breakdown spectroscopy plume from metallic lead

Valeri I. Babushok, Frank C. DeLucia, Jr., Paul J. Dagdigian, Michael J. Nusca, and Andrzej W. Miziolek  »View Author Affiliations


Applied Optics, Vol. 42, Issue 30, pp. 5947-5962 (2003)
http://dx.doi.org/10.1364/AO.42.005947


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Abstract

We report initial results of a study aimed toward developing a computational fluid dynamics (CFD) model to simulate the laser-induced breakdown spectroscopy (LIBS) plume for the purpose of understanding the physical and chemical factors that control the LIBS signature. The kinetic model developed for modeling studies of the LIBS plume from metallic lead includes a set of air reactions and ion chemistry as well as the oxidization, excitation, and ionization of lead atoms. At total of 38 chemical species and 220 reactions are included in the model. Experimental measurements of the spatial and temporal dependence of a number of lead emission lines have been made of the LIBS plume from metallic lead. The mechanism of generation of excited Pb states in the LIBS plume is analyzed through kinetic modeling and sensitivity analysis. Initial CFD model results for the LIBS plume are presented.

© 2003 Optical Society of America

OCIS Codes
(140.3440) Lasers and laser optics : Laser-induced breakdown
(300.6360) Spectroscopy : Spectroscopy, laser
(350.5400) Other areas of optics : Plasmas

Citation
Valeri I. Babushok, Frank C. DeLucia, Jr., Paul J. Dagdigian, Michael J. Nusca, and Andrzej W. Miziolek, "Kinetic Modeling of the Laser-Induced Breakdown Spectroscopy Plume from Metallic Lead," Appl. Opt. 42, 5947-5962 (2003)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-42-30-5947

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