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Proceedings Paper

Model experiments of fast ignition with coaxial high-power laser beams
Author(s): 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
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Paper 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.

Paper Details

Date Published: 23 April 2001
PDF: 8 pages
Proc. SPIE 4424, ECLIM 2000: 26th European Conference on Laser Interaction with Matter, (23 April 2001); doi: 10.1117/12.425618
Show Author Affiliations
Katsumasa Fujita, Osaka Univ. (Japan)
A. Sunahara, Osaka Univ. (Japan)
Kazuo A. Tanaka, Osaka Univ. (Japan)
Nobuhiko Izumi, Osaka Univ. (United States)
Takahisa Jitsuno, Osaka Univ. (Japan)
Noriaki Miyanaga, Osaka Univ. (Japan)
Takeshi Miyakoshi, Osaka Univ. (Japan)
H. Otani, Osaka Univ. (Japan)
Mitsuhiro Fukao, Osaka Univ. (Japan)
Manabu Heya, Osaka Univ. (Japan)
Yoshihiro Ochi, Osaka Univ. (Japan)
Yoneyoshi Kitagawa, Osaka Univ. (Japan)
Ryosuke Kodama, Osaka Univ. (Japan)
Kunioki Mima, Osaka Univ. (Japan)
Hiroaki Nishimura, Osaka Univ. (Japan)
Takayoshi Norimatsu, Osaka Univ. (Japan)
Yasuhiko Sentoku, Osaka Univ. (Japan)
Hideaki Takabe, Osaka Univ. (Japan)
Tatsuhiko Yamanaka, Osaka Univ. (Japan)

Published in SPIE Proceedings Vol. 4424:
ECLIM 2000: 26th European Conference on Laser Interaction with Matter
Milan Kalal; Karel Rohlena; Milan Sinor, Editor(s)

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