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Contrasted material responses to nanosecond multiple-pulse laser damage: from statistical behavior to material modification

机译:材料对纳秒多脉冲激光损伤的对比响应:从统计行为到材料改性

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摘要

This work is dedicated to the study of so-called fatigue effects upon nanosecond laser-induced damage of several crystalline materials and synthetic fused silica irradiated by multiple pulses. The obtained damage probability versus fluence and pulse number data are exploited to determine if the observed fatigue is due to statistics (the more often the material is irradiated, the higher the probability for it to be damaged) or to material modification under irradiation. Whereas 1064 nm irradiation seems to be responsible for statistic behavior, 355 nm irradiation generates material modifications in the case of synthetic fused silica.
机译:这项工作致力于研究所谓的疲劳效应对几种晶体材料和多脉冲照射的合成熔融石英的纳秒激光诱导损伤的影响。利用获得的损伤概率与能量密度和脉冲数数据来确定观察到的疲劳是由于统计数据(材料被照射的频率越高,其损坏的可能性就越高)还是由于辐照下的材料改性。虽然 1064 nm 辐照似乎是统计行为的原因,但 355 nm 辐照在合成熔融石英的情况下会产生材料修饰。

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