PHOTOGRAPHIC STUDY OF HOT-ELECTRONS GENERATED BY THE 2-PLASMON DECAY INSTABILITY

被引:1
|
作者
MEYER, J
LEGAULT, LE
机构
[1] Department of Physics, University of British Columbia, Vancouver
来源
PHYSICS OF FLUIDS B-PLASMA PHYSICS | 1990年 / 2卷 / 06期
关键词
D O I
10.1063/1.859260
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
Hot electrons generated by the two-plasmon decay instability in a CO 2-laser irradiated under dense plasma are studied by photographic methods. For laser intensities less than 5X1013 W/cm2 the electrons are emitted in the plane of polarization. From the direction of their trajectories the wave vector distribution of the electron accelerating two-plasmon decay waves is determined. These wave vector measurements are in good agreement with values theoretically predicted for the fastest growing mode. For laser intensities larger than 6X1013 W/cm2 space-charge effects become important and hot electrons are detected out of the plane of polarization. © 1990 American Institute of Physics.
引用
收藏
页码:1224 / 1227
页数:4
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