[Table of Contents]

Plasma and Fusion Research

Volume 8, 3404047 (2013)

Regular Articles

Hi-rep. Counter-Illumination Fast Ignition Scheme Fusion
Yoneyoshi KITAGAWA, Yoshitaka MORI, Osamu KOMEDA, Katsuhiro ISHII, Ryohei HANAYAMA, Kazuhisa FUJITA, Shin-ichiro OKIHARA, Takashi SEKINE1), Nakahiro SATO1), Takashi KURITA1), Toshiyuki KAWASHIMA1), Hirofumi KAN1), Naoki NAKAMURA2), Takuya KONDO2), Manabu FUJINE2), Hirozumi AZUMA3), Tomoyoshi MOTOHIRO3), Tatsumi HIOKI3), Mitsutaka KAKENO3), Yasuhiko NISHIMURA4), Atsushi SUNAHARA5) and Yasuhiko SENTOKU6)
The Graduate School for the Creation of New Photonics Industries, 1955-1 Kurematsu-cho, Nishi-ku, Hamamatsu, Shizuoka 431-1202, Japan
1)
Development Bureau, Hamamatsu Photonics K.K., 1820 Kurematsu-cho, Nishi-ku, Hamamatsu 431-1202, Japan
2)
Advanced Material Engineering Div., TOYOTA Motor Corporation, 1200 Mishuku, Susono, Shizuoka 410-1193, Japan
3)
TOYOTA Central Research and Development Laboratories, Inc., 41-1 Yokomichi, Nagakute 480-1192, Japan
4)
Toyota Technical Development Corp., 1-21 Imae, Hanamoto-cho, Toyota 470-0334, Japan
5)
Institute for Laser Technology, 1-8-4 Utsubo-honmachi, Nishi-ku, Osaka 550-0004, Japan
6)
Department of Physics, University of Nevada, Reno 1664 N VIRGINIA ST Reno, NV 89557, USA
(Received 22 May 2012 / Accepted 5 September 2012 / Published 22 May 2013)

Abstract

A table-top fusion experiment is performed. A 4 J/0.4-ns output of an LD-pumped high-rep. laser HAMA is divided into the imploding and heating beams, which are illuminated on double deuterated polystyrene foils separated by 100 µm. Hot electrons produced by the heating pulses heat the imploded core, emitting X-ray radiations >20 eV and yielding some 103 thermal neutrons. The result shows an important step toward developing the fast-ignition scheme fusion plant.

Keywords

laser-diode(LD)-pumped laser, ICF roadmap, counter-illumination and fast-ignition scheme fusion, DD fusion

DOI: 10.1585/pfr.8.3404047

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References

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This paper may be cited as follows:

Yoneyoshi KITAGAWA, Yoshitaka MORI, Osamu KOMEDA, Katsuhiro ISHII, Ryohei HANAYAMA, Kazuhisa FUJITA, Shin-ichiro OKIHARA, Takashi SEKINE, Nakahiro SATO, Takashi KURITA, Toshiyuki KAWASHIMA, Hirofumi KAN, Naoki NAKAMURA, Takuya KONDO, Manabu FUJINE, Hirozumi AZUMA, Tomoyoshi MOTOHIRO, Tatsumi HIOKI, Mitsutaka KAKENO, Yasuhiko NISHIMURA, Atsushi SUNAHARA and Yasuhiko SENTOKU, Plasma Fusion Res. 8, 3404047 (2013).