An equivalent method to analyze the electrical effect induced by laser plasma

Yunjing Ji; Chunyong Wang; Baomin Bian

doi:10.1117/12.2008430

29 November 2012 An equivalent method to analyze the electrical effect induced by laser plasma

Yunjing Ji, Chunyong Wang, Baomin Bian

Proceedings Volume 8551, High-Power Lasers and Applications VI; 85511K (2012) https://doi.org/10.1117/12.2008430
Event: Photonics Asia, 2012, Beijing, China

Abstract

Electrical effect induced by laser plasma in air is measured using a tiny probe placed in close to a metal target. Analysis shows that the resulting signal wave varies with detection distance. Based on the testing system, an equivalent circuit model was proposed to analyze the formation mechanism and evolution of the electrical signal and its dependence on the probe distance. The observed signal peak polarity overturn was also analyzed and explained. Finally, our method provides an explanation for the effects of the testing angle on the probe signals according to the time and space evolution of the laser plasma.

Citation Download Citation

Yunjing Ji, Chunyong Wang, and Baomin Bian "An equivalent method to analyze the electrical effect induced by laser plasma", Proc. SPIE 8551, High-Power Lasers and Applications VI, 85511K (29 November 2012); https://doi.org/10.1117/12.2008430

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