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IONIZATION-INDUCED DEFOCUSING OF INTENSE LASER-PULSES IN HIGH-PRESSURE GASES

被引：111
作者：
RAE, SC
机构：
[1] Clarendon Laboratory, Department of Physics, University of Oxford, Oxford
来源：
OPTICS COMMUNICATIONS | 1993年 / 97卷 / 1-2期
关键词：
D O I：
10.1016/0030-4018(93)90611-8
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Two-dimensional simulation results are presented for the case of an intense ultrashort laser pulse propagating through an initially neutral high-pressure gas. The combined effects of diffraction and ionization lead to self-defocusing of the pulse, which reduces the peak intensity from its vacuum value and restricts the maximum achievable plasma density. The effects of gas pressure and focusing geometry are investigated, and the impact of defocusing on relevant experiments is discussed.
引用
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页码：25 / 28
页数：4
相关论文
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