| 高功率激光表面大气击穿阈值的波长关系 |
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| 引用本文： | 强希文.高功率激光表面大气击穿阈值的波长关系[J].光学技术,1999(5). |
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| 作者姓名： | 强希文 |
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| 作者单位： | 西北核技术研究所,西安,710024 |
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| 摘 要： | 通过对大气击穿的物理机制、低空大气中的自由电子及其寿命和电离机制进行讨论，给出了高功率激光大气击穿较为明晰的物理图像。并通过理论分析，给出了激光大气击穿阈值的波长关系，对给定波长激光的大气击穿阈值可以作出迅速的估值，是一种较为简捷的方法
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| 关 键 词： | 高功率激光 大气击穿 击穿阈值 |
Dependence of atmospheric breakdown threshold induced by laser beams on the laser-wavelengths |
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| QIANG Xi-wen.Dependence of atmospheric breakdown threshold induced by laser beams on the laser-wavelengths[J].Optical Technique,1999(5). |
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| Authors: | QIANG Xi-wen |
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| Abstract: | By discussing the physical mechanism of atmospheric breakdown induced by high power laser beams,free electrons and its lifetime in the low altitude atmosphere,and ionization mechanism of the atmospheric molecule, it gives the clear physical pictures of the atmospheric breakdown by laser beams.It gives the dependence of atmospheric breakdown threshold induced by laser beams on wavelengths of laser beams,in terms of theoretical analyses. And it is a convenient way to evaluate the breakdown threshold induced by laser beams. |
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| Keywords: | high power laser air breakdown breakdown threshold |
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