Damage Limits For Optical Components Exposed To Nanosecond Laser Pulses

Michael Bass

doi:10.1117/12.954754

21 July 1976 Damage Limits For Optical Components Exposed To Nanosecond Laser Pulses

Michael Bass

Proceedings Volume 0076, Ultra High Power Lasers for Practicable Applications; (1976) https://doi.org/10.1117/12.954754
Event: 1976 SPIE/SPSE Technical Symposium East, 1976, Reston, United States

Abstract

The mechanisms which cause a damaging interaction between laser light and optical materials are reviewed. Their dependence on laser pulse duration and wavelength is discussed and available experimental results for short pulse damage thresholds are presented. It is shown that localized absorption in coatings, surface defects, or impurity inclusions generally determines the practical irradiance limit. Intrinsic non-linear processes such as avalanche breakdown or two photon absorption set the upper limit to the safe irradiance level.

Citation Download Citation

Michael Bass "Damage Limits For Optical Components Exposed To Nanosecond Laser Pulses", Proc. SPIE 0076, Ultra High Power Lasers for Practicable Applications, (21 July 1976); https://doi.org/10.1117/12.954754

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