Laser-induced damage in optical coatings and laser condition technology

Zhengxiu Fan; Qiang Zhao; Hong Qiu; Rui-Ying Fan

doi:10.1117/12.307015

20 April 1998 Laser-induced damage in optical coatings and laser condition technology

Zhengxiu Fan, Qiang Zhao, Hong Qiu, Rui-Ying Fan

Proceedings Volume 3244, Laser-Induced Damage in Optical Materials: 1997; (1998) https://doi.org/10.1117/12.307015
Event: Laser-Induced Damage in Optical Materials: 1997, 1997, Boulder, CO, United States

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.

Citation Download Citation

Zhengxiu Fan, Qiang Zhao, Hong Qiu, and Rui-Ying Fan "Laser-induced damage in optical coatings and laser condition technology", Proc. SPIE 3244, Laser-Induced Damage in Optical Materials: 1997, (20 April 1998); https://doi.org/10.1117/12.307015

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