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Proceedings Paper

Generation of laser plasma resulting from interaction of a nanosecond laser pulse with a gas puff target
Author(s): Henryk Fiedorowicz; Andrzej Bartnik; Igor V. Glazyrin; Oleg Diyankov; Roman Jarocki; Igor Krasnogorov; Serge Koshelev; Jerzy Kostecki; Peter A. Loboda; Miroslaw Szczurek
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Paper Abstract

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 magnetohydrodynamic 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.

Paper Details

Date Published: 23 March 2000
PDF: 6 pages
Proc. SPIE 3935, Laser Plasma Generation and Diagnostics, (23 March 2000); doi: 10.1117/12.380805
Show Author Affiliations
Henryk Fiedorowicz, Military Univ. of Technology (Poland)
Andrzej Bartnik, Military Univ. of Technology (Poland)
Igor V. Glazyrin, Russian Federal Nuclear Ctr. (Russia)
Oleg Diyankov, Russian Federal Nuclear Ctr. (Russia)
Roman Jarocki, Military Univ. of Technology (Poland)
Igor Krasnogorov, Russian Federal Nuclear Ctr. (Russia)
Serge Koshelev, Russian Federal Nuclear Ctr. (Russia)
Jerzy Kostecki, Military Univ. of Technology (Poland)
Peter A. Loboda, Russian Federal Nuclear Ctr. (Russia)
Miroslaw Szczurek, Military Univ. of Technology (Poland)

Published in SPIE Proceedings Vol. 3935:
Laser Plasma Generation and Diagnostics
Richard F. Haglund; Richard F. Wood, Editor(s)

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