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Proceedings Paper

Influence of laser beam focusing on LIBS efficiency at the elemental analysis of metals
Author(s): V. I. Zhuravleva; V. A. Rozantsev; E. A. Ershov-Pavlov
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Paper Abstract

Efficiency of the Laser-Induced Breakdown Spectroscopy (LIBS) has been studied as applied to the development of a technique for elemental microanalysis of solid samples, when a rather low consumption of the sample material is demanded allowing the technique to be practically non-destructive and applicable, e.g., at art, archaeological, forensic and similar investigations of unique objects. Higher intensity of the laser-induced emission spectra at lower sample erosion result in the increased efficiency of the LIBS analysis. The efficiency depends on many factors and in particular on thermal properties of the sample material and on its excitation conditions. Here, an influence of the laser beam focusing has been studied for samples of Al and Pb alloys having different thermal properties.

Paper Details

Date Published: 25 July 2007
PDF: 6 pages
Proc. SPIE 6735, International Conference on Lasers, Applications, and Technologies 2007: High-Power Lasers and Applications, 673517 (25 July 2007); doi: 10.1117/12.753358
Show Author Affiliations
V. I. Zhuravleva, Institute of Molecular and Atomic Physics (Belarus)
V. A. Rozantsev, Institute of Molecular and Atomic Physics (Belarus)
E. A. Ershov-Pavlov, Institute of Molecular and Atomic Physics (Belarus)


Published in SPIE Proceedings Vol. 6735:
International Conference on Lasers, Applications, and Technologies 2007: High-Power Lasers and Applications

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