Thomson scattering measurement of a collimated plasma jet generated by a high-power laser system

T. Ishikawa, Y. Sakawa, T. Morita, Y. Yamaura, Y. Kuramitsu, T. Moritaka, T. Sano, R. Shimoda, Kentaro Tomita, Kiichiro Uchino, S. Matsukiyo, A. Mizuta, N. Ohnishi, R. Crowston, N. Woolsey, H. Doyle, G. Gregori, M. Koenig, C. Michaut, A. PelkaD. Yuan, Y. Li, K. Zhang, J. Zhong, F. Wang, H. Takabe

研究成果: ジャーナルへの寄稿会議記事査読

抄録

One of the important and interesting problems in astrophysics and plasma physics is collimation of plasma jets. The collimation mechanism, which causes a plasma flow to propagate a long distance, has not been understood in detail. We have been investigating a model experiment to simulate astrophysical plasma jets with an external magnetic field [Nishio et al., EPJ. Web of Conferences 59, 15005 (2013)]. The experiment was performed by using Gekko XII HIPER laser system at Institute of Laser Engineering, Osaka University. We shot CH plane targets (3 mm × 3 mm × 10 μm) and observed rear-side plasma flows. A collimated plasma flow or plasma jet was generated by separating focal spots of laser beams. In this report, we measured plasma jet structure without an external magnetic field with shadowgraphy, and simultaneously measured the local parameters of the plasma jet, i.e., electron density, electron and ion temperatures, charge state, and drift velocity, with collective Thomson scattering.

本文言語英語
論文番号012098
ジャーナルJournal of Physics: Conference Series
688
1
DOI
出版ステータス出版済み - 4月 1 2016
イベント8th International Conference on Inertial Fusion Sciences and Applications, IFSA 2013 - Nara, 日本
継続期間: 9月 8 20139月 13 2013

!!!All Science Journal Classification (ASJC) codes

  • 物理学および天文学(全般)

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