Generation of a laser plasma in result of interaction of a nanosecond laser pulse with a gas puff target

被引：0
|
作者：
Fiedorowicz, H [1 ]
Bartnik, A [1 ]
Glazyrin, I [1 ]
Diyankov, O [1 ]
Jarocki, R [1 ]
Krasnogorov, I [1 ]
Koshelev, S [1 ]
Kostecki, J [1 ]
Loboda, P [1 ]
Szczurek, M [1 ]
机构：
[1] Mil Univ Technol, Inst Optoelect, PL-00908 Warsaw, Poland
来源：
LASER PLASMA GENERATION AND DIAGNOSTICS | 2000年 / 3935卷
关键词：
laser-matter interactions; laser-produced plasma; gas puff target;
D O I：
10.1117/12.380805
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Characterization of a plasma produced from a gas puff target irradiated with a high-power nanosecond laser pulse from a Nd:glass laser is presented. The gas puff target was formed by puffing gas into the laser focus using a fast, high-pressure electromagnetic valve. The parameters of the plasma have been determined using soft x-ray diagnostics, including crystal spectrographs. pinhole cameras. and semiconductor detectors. The results of measurements are compared with the results of the numerical simulations performed using the 2-D magnetodynamic code with the gasdynamical description of the plasma motion. Strong self-focusing of the laser beam in a high-density gas puff target and formation of a plasma channel observed in earlier experiments has been confirmed.
引用
收藏
页码：32 / 37
页数：6
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