Role of laser radiation statistics in the measurement of basic regularities of optical breakdown of glasses

Oleg M. Efimov; Leonid B. Glebov; Vladimir S. Popikov; M. J. Soileau

doi:10.1117/12.213728

14 July 1995 Role of laser radiation statistics in the measurement of basic regularities of optical breakdown of glasses

Oleg M. Efimov, Leonid B. Glebov, Vladimir S. Popikov, M. J. Soileau

Author Affiliations +

Proceedings Volume 2428, Laser-Induced Damage in Optical Materials: 1994; (1995) https://doi.org/10.1117/12.213728
Event: Laser-Induced Damage in Optical Materials: 1994, 1994, Boulder, CO, United States

Abstract

The dependence of laser-induced damage (LID) threshold of K8 (Russia) and BK7 (USA) glasses on laser pulse duration in the wide region from 4 X 10^-11 to 3 X 10^-8 s has measured. Strong attention was paid to methods of measurements. It was indicated to strong influence of laser radiation statistics on the results of the threshold measurements. It was shown that intrinsic LID threshold of glasses does not depend on pulse duration when there is not self-focusing. However, the behavior of LID threshold time dependence is determined by different types of self-focusing under focusing in spots more than laser radiation wavelength. The self-focusing threshold power is changed with the increasing of spot diameter.

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Oleg M. Efimov, Leonid B. Glebov, Vladimir S. Popikov, and M. J. Soileau "Role of laser radiation statistics in the measurement of basic regularities of optical breakdown of glasses", Proc. SPIE 2428, Laser-Induced Damage in Optical Materials: 1994, (14 July 1995); https://doi.org/10.1117/12.213728

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