Growth model for laser-induced damage on the exit surface of fused silica under UV, ns laser irradiation
Growth model for laser-induced damage on the exit surface of fused silica under UV, ns laser irradiation
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DOI：
10.1364/oe.22.003824
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发表时间：
2014-02-24
期刊：
影响因子：
3.8
通讯作者：
Carr, Christopher W.
中科院分区：
文献类型：
--
作者：
Negres, Raluca A.;Cross, David A.;Carr, Christopher W.
我们提出了一个综合的统计模型，其中包括生长概率和生长速率，以描述熔融石英光学器件在多种激光照射下出口表面损伤部位的演变。我们主要关注使用威布尔统计对生长速率分布与场地尺寸和激光通量的参数化，并展示该模型如何与描述脆性材料的既定断裂力学概念相一致。本文还讨论了与模型相关的关键增长行为和预测误差。(C) 2014年美国光学学会
We present a comprehensive statistical model which includes both the probability of growth and growth rate to describe the evolution of exit surface damage sites on fused silica optics over multiple laser shots spanning a wide range of fluences. We focus primarily on the parameterization of growth rate distributions versus site size and laser fluence using Weibull statistics and show how this model is consistent with established fracture mechanics concepts describing brittle materials. Key growth behaviors and prediction errors associated with the present model are also discussed. (C) 2014 Optical Society of America