Possibility of LIBS for transition probabilities determination

Monsterrat Ortiz; Jose Campos; Rafael Mayo; Kiril Blagoev; Galina Malcheva

doi:10.1117/12.618751

22 April 2005 Possibility of LIBS for transition probabilities determination

Monsterrat Ortiz, Jose Campos, Rafael Mayo, Kiril Blagoev, Galina Malcheva

Proceedings Volume 5830, 13th International School on Quantum Electronics: Laser Physics and Applications; (2005) https://doi.org/10.1117/12.618751
Event: 13th International School on Quantum Electronics: Laser Physics and Applications, 2004, Bourgas, Bulgaria

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.

Citation Download Citation

Monsterrat Ortiz, Jose Campos, Rafael Mayo, Kiril Blagoev, and Galina Malcheva "Possibility of LIBS for transition probabilities determination", Proc. SPIE 5830, 13th International School on Quantum Electronics: Laser Physics and Applications, (22 April 2005); https://doi.org/10.1117/12.618751

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