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(OV3/2) Progress of Direct Drive Laser Fusion Research at ILE, Osaka

K. Mima, H. Azechi, H. Fujita, N. Izumi, T. Jitsuno, Y. Kato, T. Kanabe, Y. Kitagawa, R. Kodama, N. Miyanaga, M. Nakai, M. Nakatsuka, S. Nakai, H. Nagatomo, T. Norimatsu, K. Nishihara, H. Nishimura, H. Shiraga, H. Takabe and T. Yamanaka

Institute of Laser Engineering, Osaka University, 2-6 Yamada-oka, Suita, Osaka 565-0871, Japan

C. Yamanaka

Institute of Laser Technology, 1-8-4 Utsubohonmachi, Nishiku, Osaka, 550-0004, Japan

A. Nishiguchi

Osaka Institute of Technology, Omiya, Asahi-ku, Osaka 535-0002, Japan

Abstract.  Reviewed are the recent achievements of the researches on hydrodynamics, hybrid implosion, fast ignitor and so on. As for hydrodynamics, initial imprint as a seed of the implosion nonuniformity and hydrodynamic instabilities have been investigated. In the hybrid implosion experiments, it is found that the X-ray pre-irradiation and the low density foam layer mitigate the initial imprint. In the research of fast ignitor, investigated are hole boring, high energy electron generation and transport, inward high energy ion generation and related neutron yield and so on. Finally, future prospects of laser fusion research at ILE, Osaka University are also discussed.

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