27 May 1996 Theory of laser-induced damage to optical coatings: dependence of damage threshold on physical parameters of coating and substrate materials
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Abstract
A problem of a laser induced damage to dielectric coatings due to thermal explosion of the absorbing inclusions is investigated. It is shown that major parameters governing damage characteristics of the coating are band gaps of coating and substrate materials. In particular, damage threshold dependences on a coating thickness and a position of the inclusion in the coating or on the coating-substrate interface are connected with an effect of this fundamental parameter. Experimental data are in qualitative agreement with theoretical predictions.
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M. F. Koldunov, Alexander A. Manenkov, I. L. Pokotilo, "Theory of laser-induced damage to optical coatings: dependence of damage threshold on physical parameters of coating and substrate materials", Proc. SPIE 2714, 27th Annual Boulder Damage Symposium: Laser-Induced Damage in Optical Materials: 1995, (27 May 1996); doi: 10.1117/12.240391; https://doi.org/10.1117/12.240391
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