Effects of thin film production parameters on laser-induced damage in optical coatings

Qian Zhao; Zhengxiu Fan; Hong Qiu; Yue Liu; ZhiJiang Wang

doi:10.1117/12.274279

13 May 1997 Effects of thin film production parameters on laser-induced damage in optical coatings

Qian Zhao, Zhengxiu Fan, Hong Qiu, Yue Liu, ZhiJiang Wang

Proceedings Volume 2966, Laser-Induced Damage in Optical Materials: 1996; (1997) https://doi.org/10.1117/12.274279
Event: Laser-Induced Damage in Optical Materials: 1996, 1996, Boulder, CO, United States

Abstract

Laser induced damage in optical coatings is a complicated problem, which is attributed to a lot of factors, including environment parameters, laser parameters and thin film production parameters. Among the three factors, production parameters interest us most. We produce a series of samples with different roughness levels of the substrates, thin film material and vacuum environment within the chamber, etc. Using 1.06 micrometers Nd:YAG laser as our test laser, we make 1- on-1 laser damage test to these samples. Some interesting phenomena are found. We calculate the laser induced local heating within the thin film multilayers, and make analysis to the experimental phenomena. Conclusions are given.

Citation Download Citation

Qian Zhao, Zhengxiu Fan, Hong Qiu, Yue Liu, and ZhiJiang Wang "Effects of thin film production parameters on laser-induced damage in optical coatings", Proc. SPIE 2966, Laser-Induced Damage in Optical Materials: 1996, (13 May 1997); https://doi.org/10.1117/12.274279

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