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Proceedings Paper

Measurements of electron number density and plasma temperature using LIBS
Author(s): Xiao-xia Zhao; Wen-feng Luo; Jun-fang He; Hong-ying Wang; Sen-lin Yang; Yuan-yuan Li
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Paper Abstract

Plasma produced by the radiation of a 1064 nm Nd:YAG laser focused onto a standard aluminum alloy E311 was studied spectroscopically. The electron density was inferred by measuring the Stark broadened line profile of Cu I 324.75 nm at a distance of 1.5 mm from the target surface with the laser irradiance of 3.27 GW/cm2. The electron temperature was determined using the Boltzmann plot method with eight neutral iron lines. At the same time, the validity of the assumption of local thermodynamic equilibrium was discussed in light of the results obtained.

Paper Details

Date Published: 19 October 2016
PDF: 5 pages
Proc. SPIE 10152, High Power Lasers, High Energy Lasers, and Silicon-based Photonic Integration, 101520D (19 October 2016); doi: 10.1117/12.2245057
Show Author Affiliations
Xiao-xia Zhao, Xi'an Univ. (China)
Wen-feng Luo, Xi'an Univ. of Posts and Telecommunications (China)
Jun-fang He, Xi'an Univ. (China)
Hong-ying Wang, Xi'an Univ. (China)
Sen-lin Yang, Xi'an Univ. (China)
Yuan-yuan Li, Xi'an Univ. (China)


Published in SPIE Proceedings Vol. 10152:
High Power Lasers, High Energy Lasers, and Silicon-based Photonic Integration
Lijun Wang; Zhiping Zhou, Editor(s)

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