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Proceedings Paper

Intrinsic optical breakdown of glasses
Author(s): O. N. Bosyi; Leonid B. Glebov; Oleg M. Efimov; Andrei M. Mekryukov; Vladimir S. Popikov
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Paper Abstract

In this paper the influence of multiphoton absorption, self-focusing, absorbing impurity, mode composition, and focusing conditions of laser radiation on the regularities and the absolute values of breakdown threshold of glasses have been studied. The conditions necessary for the realization of intrinsic optical breakdown have been determined. It is shown that under focusing of the neodymium laser radiation in spots of 0.4 - 0.8 micrometers diameters statistical spread in breakdown threshold values, temporal and size dependence are absent. Breakdown thresholds for alkali silicate glass K8 and fused quartz KY1 are similar and are almost 1013 W/cm2. On the basis of the obtained results a new model of intrinsic optical breakdown mechanism has been proposed.

Paper Details

Date Published: 24 June 1993
PDF: 12 pages
Proc. SPIE 1848, 24th Annual Boulder Damage Symposium Proceedings -- Laser-Induced Damage in Optical Materials: 1992, (24 June 1993); doi: 10.1117/12.147424
Show Author Affiliations
O. N. Bosyi, S.I. Vavilov State Optical Institute (Russia)
Leonid B. Glebov, S.I. Vavilov State Optical Institute (Russia)
Oleg M. Efimov, S.I. Vavilov State Optical Institute (Russia)
Andrei M. Mekryukov, S.I. Vavilov State Optical Institute (Russia)
Vladimir S. Popikov, S.I. Vavilov State Optical Institute (Russia)


Published in SPIE Proceedings Vol. 1848:
24th Annual Boulder Damage Symposium Proceedings -- Laser-Induced Damage in Optical Materials: 1992
Harold E. Bennett; Lloyd L. Chase; Arthur H. Guenther; Brian Emerson Newnam; M. J. Soileau, Editor(s)

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