The effect of lattice temperature on surface damage in fused silica optics

J. Bude, G. Guss, M. Matthews, M. Spaeth
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引用次数: 35

Abstract

We examine the effect of lattice temperature on the probability of surface damage initiation for 355nm, 7ns laser pulses for surface temperatures below the melting point to temperatures well above the melting point of fused silica. At sufficiently high surface temperatures, damage thresholds are dramatically reduced. Our results indicate a temperature activated absorption and support the idea of a lattice temperature threshold of surface damage. From these measurements, we estimate the temperature dependent absorption coefficient for intrinsic silica.
熔融石英光学中晶格温度对表面损伤的影响
我们研究了355nm, 7ns激光脉冲在表面温度低于熔点到远高于熔点的情况下,晶格温度对表面损伤引发概率的影响。在足够高的表面温度下,损伤阈值显著降低。我们的结果表明了温度激活吸收,并支持表面损伤的晶格温度阈值的想法。从这些测量中,我们估计了本征二氧化硅的温度依赖吸收系数。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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