Experimental research on plasma induced by TEA CO2 laser propulsion

被引：0
作者：
LU Hong [1 ]
CHENG Zuhai [1 ]
ZUO Duluo [1 ]
ZHAI Bingjie [1 ]
YU Liangying [1 ]
ZHU Haihong [1 ]
机构：
[1] Huazhong Univ Sci & Technol, Inst Optoelect, Wuhan Natl Lab, Div Laser Sci, Wuhan 430074, Peoples R China
来源：
PLASMA SCIENCE & TECHNOLOGY | 2008年 / 10卷 / 02期
关键词：
laser propulsion; TEA CO(2); laser-induced plasma; air distribution;
D O I：
暂无
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 in the air-breathing propulsion experiments with a parabolic light craft and a self-made UV-preionized 100 J TEA CO(2) laser device are presented. Air disturbance and the spectrum of the plasma after the interaction of pulsed laser radiation with the light craft were studied. It was found that the focal length of the parabolic light craft had a significant effect on the air-disturbance. Two shock waves were detected for the longer focal length, while only one shock wave detected for the short focal length. The spectrum of the laser-induced plasma, the distribution of the characteristic lines, and the temporal behaviors of the air plasma were studied in detail. The results showed that, the evolution of the laser-induced plasma lasted 20 mu s, and the plasma spectrum would reach the maximum intensity at 7 mu s.
引用
收藏
页码：203 / 206
页数：4
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