Model experiments of fast ignition with coaxial high-power laser beams

Katsumasa Fujita; A. Sunahara; Kazuo A. Tanaka; Nobuhiko Izumi; Takahisa Jitsuno; Noriaki Miyanaga; Takeshi Miyakoshi; H. Otani; Mitsuhiro Fukao; Manabu Heya; Yoshihiro Ochi; Yoneyoshi Kitagawa; Ryosuke Kodama; Kunioki Mima; Hiroaki Nishimura; Takayoshi Norimatsu; Yasuhiko Sentoku; Hideaki Takabe; Tatsuhiko Yamanaka

doi:10.1117/12.425618

23 April 2001 Model experiments of fast ignition with coaxial high-power laser beams

Katsumasa Fujita, A. Sunahara, Kazuo A. Tanaka, Nobuhiko Izumi, Takahisa Jitsuno, Noriaki Miyanaga, Takeshi Miyakoshi, H. Otani, Mitsuhiro Fukao, Manabu Heya, Yoshihiro Ochi, Yoneyoshi Kitagawa, Ryosuke Kodama, Kunioki Mima, Hiroaki Nishimura, Takayoshi Norimatsu, Yasuhiko Sentoku, Hideaki Takabe, Tatsuhiko Yamanaka

Author Affiliations +

Proceedings Volume 4424, ECLIM 2000: 26th European Conference on Laser Interaction with Matter; (2001) https://doi.org/10.1117/12.425618
Event: 26th European Conference on Laser Interaction with Matter (ECLIM 2000), 2000, Prague, Czech Republic

Abstract

An imploded plasma core is irradiated by a 100 ps laser pulse in a model experiments of fast ignition. Additional laser pulses for drilling and heating are introduced co- axially with the laser beams for the implosion. The preformed imploded core is created by the 12 beams of 0.53 micrometers laser with the total energy of 800 J. The additional heating pluses contain 100 ps pulses separated by 300 ps at the wavelength of 1.06 micrometers with the total energy of 320J. The first pulse is intended for drilling the coronal pulses surrounding the core and the second is for addition heating of the core. We measured the imploded core additionally heated with 100 ps pulses.

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Katsumasa Fujita, A. Sunahara, Kazuo A. Tanaka, Nobuhiko Izumi, Takahisa Jitsuno, Noriaki Miyanaga, Takeshi Miyakoshi, H. Otani, Mitsuhiro Fukao, Manabu Heya, Yoshihiro Ochi, Yoneyoshi Kitagawa, Ryosuke Kodama, Kunioki Mima, Hiroaki Nishimura, Takayoshi Norimatsu, Yasuhiko Sentoku, Hideaki Takabe, and Tatsuhiko Yamanaka "Model experiments of fast ignition with coaxial high-power laser beams", Proc. SPIE 4424, ECLIM 2000: 26th European Conference on Laser Interaction with Matter, (23 April 2001); https://doi.org/10.1117/12.425618

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