Forward dynamics of water-plasmas produced by femtosecond laser pulses

被引:1
作者
Li, YT [1 ]
Zhang, J [1 ]
Lu, X [1 ]
Teng, H [1 ]
Li, YJ [1 ]
Peng, XY [1 ]
Jin, Z [1 ]
Zhao, LZ [1 ]
机构
[1] Chinese Acad Sci, Lab Opt Phys, Inst Phys, Beijing 100080, Peoples R China
关键词
D O I
10.1063/1.1499951
中图分类号
O35 [流体力学]; O53 [等离子体物理学];
学科分类号
070204 ; 080103 ; 080704 ;
摘要
The evolution of the forward density front of water-plasmas generated by ultrashort laser pulses on an air-water interface is investigated with optical diagnostics. The density front is found to move with supersonic speed at the beginning, as predicted by a hydrodynamics simulation. This plasma-expansion process is followed by a fluid mechanical process. The expansion rate gradually reduces to the acoustic speed in water. (C) 2002 American Institute of Physics.
引用
收藏
页码:4028 / 4031
页数:4
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