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Proceedings Paper

Neutron enhancement and related recent studies on the fast ignitor at ILE Osaka University
Author(s): Yoneyoshi Kitagawa; Ryosuke Kodama; Kazuo A. Tanaka; Yusuke Tohyama; Shin Akamatsu; Yasuhiko Sentoku; Hisanori Fujita; Takahisa Jitsuno; Hiroaki Nishimura; Shuji Sakabe; Yasukazu Izawa; Kunioki Mima; Tatsuhiko Yamanaka
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Paper Abstract

To demonstrate the feasibility of the fast ignitor scheme, the 100 TW Petawatt Module laser PWM was illuminated on an imploded spherical CD shell, which enhanced neutron yield ~106 for the first time. This is due to the fusion reactions between the energetic deuteron beam and cold dense deuterons. Without PWM, we have observed no neutrons above the detection threshold ~105. Proton rear emission and possible gigagauss scale magnetic fields from 60 TW laser illuminated plastic target are observed in a good agreement with a two-dimensional PIC simulation. The PWM is up graded to the world biggest Petawatt Laser (say PW laser). The out put is 1 Petawatt, which is used also for ultra-intense laser matter interactions above the intensity of 1020 W/cm2.

Paper Details

Date Published: 21 December 2001
PDF: 11 pages
Proc. SPIE 4510, Charged Particle Detection, Diagnostics, and Imaging, (21 December 2001); doi: 10.1117/12.451285
Show Author Affiliations
Yoneyoshi Kitagawa, Osaka Univ. (Japan)
Ryosuke Kodama, Osaka Univ. (Japan)
Kazuo A. Tanaka, Osaka Univ. (Japan)
Yusuke Tohyama, Osaka Univ. (Japan)
Shin Akamatsu, Osaka Univ. (Japan)
Yasuhiko Sentoku, Osaka Univ. (Japan)
Hisanori Fujita, Osaka Univ. (Japan)
Takahisa Jitsuno, Osaka Univ. (Japan)
Hiroaki Nishimura, Osaka Univ. (Japan)
Shuji Sakabe, Osaka Univ. (Japan)
Yasukazu Izawa, Osaka Univ. (Japan)
Kunioki Mima, Osaka Univ. (Japan)
Tatsuhiko Yamanaka, Osaka Univ. (Japan)


Published in SPIE Proceedings Vol. 4510:
Charged Particle Detection, Diagnostics, and Imaging
Eric Munro; John A. Rouse, Editor(s)

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