Optical breakdown of window surfaces of wide-aperture TEA CO2 lasers by microsecond pulses

Sergei G. Kazantsev

doi:10.1117/12.335846

5 January 1999 Optical breakdown of window surfaces of wide-aperture TEA CO₂ lasers by microsecond pulses

Sergei G. Kazantsev

Proceedings Volume 3686, Laser Optics '98: Gas, Liquid, and Free-Electron Lasers; (1999) https://doi.org/10.1117/12.335846
Event: Laser Optics '98, 1998, St. Petersburg, Russian Federation

Abstract

It has been established, that the surface destruction has 3 stages: breakdown origin (the distance is 3 - 5 mm from the surface timed up to 1 microsecond(s) regarding leading edge of laser pulse); evaporation (timed for 3 - 5 microsecond(s) ); interaction of the adsorbents with plasma torch and laser radiation, heating and cracking under the influence of UF plasma radiation.

Citation Download Citation

Sergei G. Kazantsev "Optical breakdown of window surfaces of wide-aperture TEA CO₂ lasers by microsecond pulses", Proc. SPIE 3686, Laser Optics '98: Gas, Liquid, and Free-Electron Lasers, (5 January 1999); https://doi.org/10.1117/12.335846

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