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Proceedings Paper

Possibility of LIBS for transition probabilities determination
Author(s): Monsterrat Ortiz; Jose Campos; Rafael Mayo; Kiril Blagoev; Galina Malcheva
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Paper Abstract

Laser Induced Breakdown Spectroscopy (LIBS) is a one of the successfully used technique for measuring experimental atomic and ionic transition probabilities. This is due to the excitation procedure easily provides highly ionised species and neutral atoms. Nevertheless, its range also extends to another applications such as the industry or in astrophysics. In this work, we explain a specific experimental set-up -consist of fomred by a Nd:YAG laser and grating monochromator coupled with a time-resolved optical multichannel analyser. The employment of the time and spatial spectroscopy in a laser produced plasma for obtaining transition probabilities is also described. From the laser produced plasmas it is also possible to determine some of their properties such as the temperature or the composition. Besides, due to the high emission and temperature, it can be proved the existence of Local Thermodynamic Equilibrium allows determination of absolute values for the transition probabilities and the evaluation of some characteristics such as the self-absorption. The experimental data treatment for obtaining the transition probabilities and the different plasma properties that can be derived was explained.

Paper Details

Date Published: 22 April 2005
PDF: 5 pages
Proc. SPIE 5830, 13th International School on Quantum Electronics: Laser Physics and Applications, (22 April 2005); doi: 10.1117/12.618751
Show Author Affiliations
Monsterrat Ortiz, Univ. Complutense de Madrid (Spain)
Jose Campos, Univ. Complutense de Madrid (Spain)
Rafael Mayo, Univ. Complutense de Madrid (Spain)
Kiril Blagoev, Institute of Solid State Physics (Bulgaria)
Galina Malcheva, Institute of Solid State Physics (Bulgaria)

Published in SPIE Proceedings Vol. 5830:
13th International School on Quantum Electronics: Laser Physics and Applications
Peter A. Atanasov; Sanka V. Gateva; Lachezar A. Avramov; Alexander A. Serafetinides, Editor(s)

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