Role of interface absorption in laser-induced local heating of optical coatings

Qian Zhao; Zhengxiu Fan; ZhiJiang Wang

doi:10.1117/1.601341

1 May 1997 Role of interface absorption in laser-induced local heating of optical coatings

Qian Zhao, Zhengxiu Fan, ZhiJiang Wang

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Optical Engineering, Vol. 36, Issue 5, (May 1997). https://doi.org/10.1117/1.601341

Considering the interface absorption in optical coatings, we propose a model to simulate interface absorption. Calculations are made and the temperature field of several kinds of thin film multilayers, including those of partial reflectivity, high-reflectivity, and antireflectivity coatings are analyzed. The interface absorption is found to greatly influence the temperature distribution within multilayer coatings and to weaken the laser damage resistance of the samples. The real-time results of the photothermal deflection technique for laser induced damage to samples supports the model.

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Qian Zhao, Zhengxiu Fan, and ZhiJiang Wang "Role of interface absorption in laser-induced local heating of optical coatings," Optical Engineering 36(5), (1 May 1997). https://doi.org/10.1117/1.601341

Published: 1 May 1997

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