Study of the Glow Dynamics in a Laser-Produced Plasma Jet Expanding Across the Magnetic Field

被引：2
|
作者：
Bessarab, A. V. [1 ]
Bondarenko, G. A. [1 ]
Garanin, S. G. [1 ]
Zhidkov, N. V. [1 ]
Nikitin, I. N. [1 ]
Starodubtsev, V. A. [1 ]
Sungatullin, R. R. [1 ]
机构：
[1] Russian Fed Nucl Ctr, All Russia Res Inst Expt Phys, Sarov 607188, Nizhni Novgorod, Russia
来源：
PLASMA PHYSICS REPORTS | 2011年 / 37卷 / 09期
关键词：
Magnetic Field; External Magnetic Field; Plasma Physic Report; Laser Pulse Energy; Frame Camera;
D O I：
10.1134/S1063780X1107004X
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：
Results are presented from experimental studies of the glow dynamics of a plasma jet generated during the irradiation of a plane aluminum target by an iodine laser pulse with the wavelength 1.315 mu m. The laser pulse energy was 330-480 J, the pulse duration was 0.5 ns, and the focal spot diameter was 3 mm, the laser intensity on the target surface being similar to 10(13) W/cm(2). The jet expanded across an external magnetic field with the strength similar to 1 kOe. The residual air pressure in the vacuum chamber was similar to 10(-5) Torr. The spatiotemporal behavior of the jet glow was investigated using a nine-frame camera in two mutually perpendicular directions (along and across the magnetic field). The results of measurements indicate azimuthal asymmetry of the jet expansion. DOI: 10.1134/S1063780X1107004X
引用
收藏
页码：802 / 806
页数：5
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