Closure of pinholes under intense laser radiation.
Closure of pinholes under intense laser radiation.
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DOI：
10.1364/ao.16.002328
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发表时间：
1977-08
期刊：
影响因子：
1.9
通讯作者：
J. Pearlman;J. Anthes
中科院分区：
文献类型：
--
作者：
J. Pearlman;J. Anthes
研究了强激光辐射与针孔周边相互作用产生的等离子体导致针孔闭合的情况。对于 10 纳秒 FWHA、10 J 入射激光脉冲，初始直径为 100-300 微米的针孔分别在 3-14 纳秒内闭合。对于恒定的焦斑尺寸和脉冲持续时间，发现闭合时间和速率是激光能量的函数；然而，通过针孔传输的能量与这些实验中使用的脉冲持续时间、针孔直径和焦点尺寸的入射能量无关。
The closure of pinholes due to plasma created by intense laser radiation interacting with the pinhole perimeter is studied. Pinholes with 100-300-microm initial diam close in 3-14 nsec, respectively, for a 10-nsec FWHA, 10-J incident laser pulse. For a constant focal spot size and pulse duration, the closure time and rate are found to be a function of laser energy; however, the energy transmitted through the pinhole is independent of the incident energy for the pulse duration, pinhole diameters, and focal spot size used in these experiments.