Plasma parameter determination formed under the influence of CO2 laser radiation on the obstacle in the air using optical methods

Yu. M. Vas'kovsky; I. A. Gordeeva; A. S. Korenev; R. E. Rovinsky; I. S. Cenina; I. P. Shirokova

doi:10.1117/12.48155

1 December 1991 Plasma parameter determination formed under the influence of CO2 laser radiation on the obstacle in the air using optical methods

Yu. M. Vas'kovsky, I. A. Gordeeva, A. S. Korenev, R. E. Rovinsky, I. S. Cenina, I. P. Shirokova

Author Affiliations +

Proceedings Volume 1440, Optical Radiation Interaction with Matter; (1991) https://doi.org/10.1117/12.48155
Event: Optical Radiation Interaction with Matter, 1990, Leningrad, Russian Federation

Abstract

Experimental investigation results of plasma characteristics formed on a solid-state obstacle surface during ambient optical breakdown under the influence of a powerful pulse CO2 laser are given. The results touch upon the problem of three aspects: a front motion velocity of formed plasma radiation interaction. The effect of energy density (or average power) in an irradiation spot, an obstacle material, and a laser pulse shape (length) on the process characteristics is an order of 10 cm2 that makes it possible to neglect two-dimensional effects.

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Yu. M. Vas'kovsky, I. A. Gordeeva, A. S. Korenev, R. E. Rovinsky, I. S. Cenina, and I. P. Shirokova "Plasma parameter determination formed under the influence of CO2 laser radiation on the obstacle in the air using optical methods", Proc. SPIE 1440, Optical Radiation Interaction with Matter, (1 December 1991); https://doi.org/10.1117/12.48155

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