影象
材料科学
光学
Crystal(编程语言)
透射率
激光器
压力(语言学)
辐照
复合材料
光电子学
计算机科学
语言学
物理
哲学
核物理学
程序设计语言
作者
Chengyu Zhu,Yuxin Li,Hang Yuan,Lingxi Liang,Jianing Hao,Ziqiang Dan
出处
期刊:Optics Express
[The Optical Society]
日期:2022-01-04
卷期号:30 (2): 1327-1327
被引量:4
摘要
Pinpoint damage is the main type of bulk damage in potassium dihydrogen phosphate (KDP) crystals in high-power lasers. Using time-resolved microimaging, we observed the complete dynamic evolution of pinpoint damage in a KDP crystal. We analyzed changes in the patterns of dark zones formed by decreasing probe transmittance in transient images throughout the process. The mechanical properties of stress waves in KDP crystals were further studied by a depolarized shadowgraph experiment and theoretical simulation. The dynamic evolution of mechanical stress waves was observed, and the correlation between mechanical failure due to stress waves and the static characteristic damage morphology was established.
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