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Proceedings Paper

In-situ measuring and monitoring of the laser conditioning of optical coatings
Author(s): Qian Zhao; Zhengxiu Fan; ZhiJiang Wang
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Paper Abstract

By now laser conditioning has been proved to be a useful method to improve the optical coatings and raise the laser induced damage threshold of the thin film coatings. However, whatever happens during the laser conditioning process and which ever factor influences the laser conditioning effect are still not very clear. We produce a series samples with different roughness levels of the substrates, multilayer design, thin film material and the vacuum environment of the chamber. We make laser conditioning test to these samples by 1.06 micrometers laser. Photothermal deflection technology is employed to observe the conditioning process in-situ. A series of experimental data are obtained. We give our explanation. The mechanism of laser conditioning is also discussed.

Paper Details

Date Published: 13 May 1997
PDF: 1 pages
Proc. SPIE 2966, Laser-Induced Damage in Optical Materials: 1996, (13 May 1997); doi: 10.1117/12.274296
Show Author Affiliations
Qian Zhao, Shanghai Institute of Optics and Fine Mechanics (United States)
Zhengxiu Fan, Shanghai Institute of Optics and Fine Mechanics (China)
ZhiJiang Wang, Shanghai Institute of Optics and Fine Mechanics (United States)


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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