Optical Techniques For In-Situ, Real-Time Detection Of Laser-Induced Damage

P M Fauchet; I H Campbell

doi:10.1117/12.944446

27 June 1988 Optical Techniques For In-Situ, Real-Time Detection Of Laser-Induced Damage

P M Fauchet, I H Campbell

Proceedings Volume 0895, Laser Optics for Intracavity and Extracavity Applications; (1988) https://doi.org/10.1117/12.944446
Event: 1988 Los Angeles Symposium: O-E/LASE '88, 1988, Los Angeles, CA, United States

Abstract

We are building an optical laboratory in which three complementary optical techniques: Raman scattering, sur-face second harmonic generation and photoluminescence, will be used to observe in-situ, in real-time the cumulative structural changes that occur during repeated illumination of solid surfaces. Such changes may be beneficial as in sem-iconductor processing but in general are detrimental, as in laser-induced damage of optical components. The evolution of stress, crystallinity, surface electronic properties and of the type and number of defects will be correlated with the appearance of damage spots during illumination sequences with below threshold pulses. From this, the mechanisms of multiple pulse damage will emerge and prediction of failure in components will become possible.

Citation Download Citation

P M Fauchet and I H Campbell "Optical Techniques For In-Situ, Real-Time Detection Of Laser-Induced Damage", Proc. SPIE 0895, Laser Optics for Intracavity and Extracavity Applications, (27 June 1988); https://doi.org/10.1117/12.944446

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