Generation of laser plasma resulting from interaction of a nanosecond laser pulse with a gas puff target

Henryk Fiedorowicz; Andrzej Bartnik; Igor V. Glazyrin; Oleg Diyankov; Roman Jarocki; Igor Krasnogorov; Serge Koshelev; Jerzy Kostecki; Peter A. Loboda; Miroslaw Szczurek

doi:10.1117/12.380805

23 March 2000 Generation of laser plasma resulting from interaction of a nanosecond laser pulse with a gas puff target

Henryk Fiedorowicz, Andrzej Bartnik, Igor V. Glazyrin, Oleg Diyankov, Roman Jarocki, Igor Krasnogorov, Serge Koshelev, Jerzy Kostecki, Peter A. Loboda, Miroslaw Szczurek

Author Affiliations +

Proceedings Volume 3935, Laser Plasma Generation and Diagnostics; (2000) https://doi.org/10.1117/12.380805
Event: Symposium on High-Power Lasers and Applications, 2000, San Jose, CA, United States

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.

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Henryk Fiedorowicz, Andrzej Bartnik, Igor V. Glazyrin, Oleg Diyankov, Roman Jarocki, Igor Krasnogorov, Serge Koshelev, Jerzy Kostecki, Peter A. Loboda, and Miroslaw Szczurek "Generation of laser plasma resulting from interaction of a nanosecond laser pulse with a gas puff target", Proc. SPIE 3935, Laser Plasma Generation and Diagnostics, (23 March 2000); https://doi.org/10.1117/12.380805

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