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Proceedings Paper

Mechanism of thin layer damage due to collision of laser-induced near-surface shock waves
Author(s): Boris Spesivtsev; Serguei Gribine; Viktor Assaoul; A. Efremov
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Paper Abstract

The problem of laser induced damage for thin layer on surface of condensed medium is considered. Specific mechanism of the damage at the place between light absorbing inhomogeneities is discussed in terms of irradiated collision of shock waves induced by micro explosions of the irradiated inhomogeneities. Collision of shock waves stimulates air ionization and absorption for laser irradiation. The process could lead to microexplosion far from initial microexplosions. Models for the phenomena includes: (1) estimation of shock wave parameters form single microexplosion; (2) thermodynamics parameters of air inside region of two shock wave collision; (3) estimation of layer damage.

Paper Details

Date Published: 13 May 1997
PDF: 1 pages
Proc. SPIE 2966, Laser-Induced Damage in Optical Materials: 1996, (13 May 1997); doi: 10.1117/12.274268
Show Author Affiliations
Boris Spesivtsev, State Technological Univ. of Plant Polymers (Russia)
Serguei Gribine, State Technological Univ. of Plant Polymers (Russia)
Viktor Assaoul, State Technological Univ. of Plant Polymers (Russia)
A. Efremov, S.I. Vavilov State Optical Institute (Russia)

Published in SPIE Proceedings Vol. 2966:
Laser-Induced Damage in Optical Materials: 1996
Harold E. Bennett; Arthur H. Guenther; Mark R. Kozlowski; Brian Emerson Newnam; M. J. Soileau, Editor(s)

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