Collisionless Shock Wave Generation in Counter-Streaming Plasmas Using Gekko XII HIPER Laser

Collisionless shock wave generation in counter-streaming plasmas for several target materials (Al, C, Cu, and Pb) is investigated using a high-power laser system. Counter-streaming plasmas are produced by irradiating an inner surface of a double-plane target. For Al, C, and Pb, a shock wave is obser...

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Bibliographic Details
Published in:Plasma and Fusion Research 2011/07/01, Vol.6, pp.2404057-2404057
Main Authors: IDE, Takao, SAKAWA, Youichi, KURAMITSU, Yasuhiro, MORITA, Taichi, TANJI, Hiroki, NISHIO, Kento, KATO, Tsunehiko, OHNISHI, Naofumi, GREGORY, Christopher D., WOOLSEY, Nigel, DIZIERE, Alexandra, KOENIG, Michel, WANG, Shoujun, DONG, Quanli, LI, Yutong, TAKABE, Hideaki
Format: Article
Language:English
Subjects:
colissionless shock
laboratory astrophysics
laser plasma
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Summary:Collisionless shock wave generation in counter-streaming plasmas for several target materials (Al, C, Cu, and Pb) is investigated using a high-power laser system. Counter-streaming plasmas are produced by irradiating an inner surface of a double-plane target. For Al, C, and Pb, a shock wave is observed in self-emission measurements similar to the previous experiment using a CH target [Y. Kuramitsu et al., J. Phys.: Conf. Series. 24, 042008 (2010)], and the width of the transition region is much shorter than the ion-ion collision mean-free-paths. The mean-free-paths tend to be longer for heavier materials, because the ionization degrees Z are not so different among these materials.
ISSN:1880-6821
1880-6821
DOI:10.1585/pfr.6.2404057