Instabilities in laser-produced carbon plasma expanding in a nonuniform magnetic field

被引：18
|
作者：
Neogi, A [1 ]
Thareja, RK [1 ]
机构：
[1] Indian Inst Technol, Dept Phys, Kanpur 208016, Uttar Pradesh, India
来源：
APPLIED PHYSICS B-LASERS AND OPTICS | 2001年 / 72卷 / 02期
关键词：
D O I：
10.1007/s003400000244
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The laser-produced carbon plasma expanding in an ambient atmosphere in the presence of an inhomogeneous magnetic field has been studied by emission spectroscopy and fast photography. A double-peak structure is observed in the temporal profile of CII and CIII transition. A sudden increase in delay observed in the second peak when the plasma expands in the concave region of a magnetic field is attributed to Rayleigh-Taylor instability in a magnetic field. An estimate of the growth rate of the instability inferred using intensity and velocity profile of the expanding plasma is reported.
引用
收藏
页码：231 / 235
页数：5
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