Criteria for evaluating the laser resistance of crystals under thermoelastic deformation conditions

Aleksandr Kanareykin

doi:10.1117/12.3025070

20 February 2024 Criteria for evaluating the laser resistance of crystals under thermoelastic deformation conditions

Aleksandr Kanareykin

Proceedings Volume 13065, Third International Conference on Optics, Computer Applications, and Materials Science (CMSD-III 2023); 130651H (2024) https://doi.org/10.1117/12.3025070
Event: Third International Conference on Optics, Computer Applications, and Materials Science (CMSD-III 2023), 2023, Dushanbe, Tajikistan

Abstract

The article relates to the issues of optical physics. It is dedicated to the optical destruction of crystals. The main intrinsic mechanism of optical destruction is the mechanism of shock ionization or "electron avalanche". The process of destruction during shock ionization is similar to the electrical breakdown of a dielectric, when free electrons present in a small amount in the dielectric are accelerated by the electronic field of a light wave to speeds sufficient for shock ionization, giving rise to new electrons, which, in turn, accelerate, giving rise to an electronic avalanche. The peculiarity of a breakdown in an optical beam is that it is a breakdown in an alternating high-frequency field. The article also discusses some generalizing criteria that determine the applicability of a crystal for laser technology, and also provides some tips on improving the optical strength of crystalline elements.

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Aleksandr Kanareykin "Criteria for evaluating the laser resistance of crystals under thermoelastic deformation conditions", Proc. SPIE 13065, Third International Conference on Optics, Computer Applications, and Materials Science (CMSD-III 2023), 130651H (20 February 2024); https://doi.org/10.1117/12.3025070

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