Fundamental mechanisms of laser-induced damage in optical materials: today's state of understanding and problems

Alexander A. Manenkov

doi:10.1117/12.2020364

9 July 2013 Fundamental mechanisms of laser-induced damage in optical materials: today's state of understanding and problems

Alexander A. Manenkov

Author Affiliations +

Proceedings Volume 8786, Pacific Rim Laser Damage 2013: Optical Materials for High Power Lasers; 87861I (2013) https://doi.org/10.1117/12.2020364
Event: SPIE/SIOM Pacific Rim Laser Damage: Optical Materials for High-Power Lasers, 2013, Shanghai, China

Abstract

Theoretical models of laser-induced damage mechanisms in optical materials are reviewed: inclusion-initiated thermal explosion (extrinsic mechanism) and impact ionization and photoionization (intrinsic mechanisms). Different approaches to impact ionization theory based on quantum kinetic equation, Boltzman equations, and rate equations are briefly described. A relative contribution of impact ionization and photoionization predicted by these models at different laser pulse durations, including fs-range, are discussed and compared with available experimental data. Basing on an analysis of published theoretical and experimental results, a today’s state of understanding fundamental laser damage mechanisms is concluded.

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Alexander A. Manenkov "Fundamental mechanisms of laser-induced damage in optical materials: today's state of understanding and problems", Proc. SPIE 8786, Pacific Rim Laser Damage 2013: Optical Materials for High Power Lasers, 87861I (9 July 2013); https://doi.org/10.1117/12.2020364

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