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Interaction of high Mach-number shocks in laser-produced plasmas |
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| Authors: | T. Morita Y. Sakawa Y. Kuramitsu S. Dono H. Tanji H. Aoki T. Ide K. Nishio C.D. Gregory J.N. Waugh N. Woolsey A. Diziére M. Koenig H. Ide K. Tsubouchi H. Takabe |
| Affiliation: | 1. Institute of Laser Engineering, Osaka University, Suita, Osaka 565-0871, Japan;2. Graduate School of Engineering, Osaka University, 2-1 Yamadaoka, Suita, Osaka 565-0871, Japan;3. Graduate School of Science, Osaka University, 1-1 Machikaneyama-cho, Toyonaka, Osaka 560-0043, Japan;4. Department of Physics, University of York, Heslington, York YO10 5DD, United Kingdom;5. Laboratoire pour lUtilisation des Lasers Intenses, UMR7605, CNRS-CEA-Université, Paris VI-Ecole Polytechnique, 91128 Palaiseau cedex, France |
| Abstract: | We report the laboratory experiment for high Mach-number collisionless shock formation and for studying the interaction of them. These shocks are formed in high-velocity counterstreaming plasmas produced by ablating a double-foil plastic target with a high-power laser. The laser-produced plasmas are diagnosed with space and time-resolved optical pyrometry and shadowgraphy. Multiple shocks are formed and interact with each other, resulting in the increase of plasma temperature and density. |
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