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Proceedings Paper

Effects of thin film production parameters on laser-induced damage in optical coatings
Author(s): Qian Zhao; Zhengxiu Fan; Hong Qiu; Yue Liu; ZhiJiang Wang
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Paper 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.

Paper Details

Date Published: 13 May 1997
PDF: 5 pages
Proc. SPIE 2966, Laser-Induced Damage in Optical Materials: 1996, (13 May 1997); doi: 10.1117/12.274279
Show Author Affiliations
Qian Zhao, Shanghai Institute of Optics and Fine Mechanics (China)
Zhengxiu Fan, Shanghai Institute of Optics and Fine Mechanics (China)
Hong Qiu, Shanghai Institute of Optics and Fine Mechanics (China)
Yue Liu, Shanghai Institute of Optics and Fine Mechanics (China)
ZhiJiang Wang, Shanghai Institute of Optics and Fine Mechanics (China)


Published in SPIE Proceedings Vol. 2966:
Laser-Induced Damage in Optical Materials: 1996
Harold E. Bennett; Arthur H. Guenther; Mark R. Kozlowski; Brian Emerson Newnam; M. J. Soileau, Editor(s)

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