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Proceedings Paper

Laser-induced damage in optical coatings and laser condition technology
Author(s): Zhengxiu Fan; Qiang Zhao; Hong Qiu; Rui-Ying Fan
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Paper Abstract

Laser-induced damages in several reflection coatings that are prepared with variant materials and technologies are investigated. It is found that the damage thresholds of the coatings are very different depending on the impurity absorption. We proved this conclusion by applying Auger Electron Spectroscopy to determine the surface composition of the coatings and measuring of the absorption of these coating. Laser condition of a large size coating is realized through scanning of a smaller laser spot. The condition is achieved through roistering at ten steps increasing from 5 to 80 percent of the zero probability damage threshold of the coating. The effect of the laser condition is directly related to the preparation process and the materials of the coating.

Paper Details

Date Published: 20 April 1998
PDF: 6 pages
Proc. SPIE 3244, Laser-Induced Damage in Optical Materials: 1997, (20 April 1998); doi: 10.1117/12.307015
Show Author Affiliations
Zhengxiu Fan, Shanghai Institute of Optics and Fine Mechanics (China)
Qiang Zhao, Shanghai Institute of Optics and Fine Mechanics (China) and Eastern Michigan Univ. (United States)
Hong Qiu, Shanghai Institute of Optics and Fine Mechanics (China)
Rui-Ying Fan, Shanghai Institute of Optics and Fine Mechanics (China)


Published in SPIE Proceedings Vol. 3244:
Laser-Induced Damage in Optical Materials: 1997
Gregory J. Exarhos; Arthur H. Guenther; Mark R. Kozlowski; M. J. Soileau, Editor(s)

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