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

页码：32 / 37

页数：6

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