Plasma and Fusion Research
Online ISSN : 1880-6821
ISSN-L : 1880-6821
Rapid Communications
Target Injection and Engagement for Neutron Generation at 1 Hz
Osamu KOMEDA, Yasuhiko NISHIMURA, Yoshitaka MORI, Ryohei HANAYAMA, Katsuhiro ISHII, Shinichiro OKIHARA, Kazuhisa FUJITA, Yoneyoshi KITAGAWA, Takashi SEKINE, Nakahiro SATO, Takashi KURITA, Toshiyuki KAWASHIMA, Takeshi WATARI, Hirofumi KAN, Naoki NAKAMURA, Takuya KONDO, Manabu FUJINE, Hirozumi AZUMA, Tomoyoshi MOTOHIRO, Tatsumi HIOKI, Mitsutaka KAKENO, Atsushi SUNAHARA, Yasuhiko SENTOKU, Eisuke MIURA
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Keywords: target injection, deuterated polystyrene, laser-diode-pumped laser, DD fusion, neutron source
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2013 Volume 8 Pages 1205020

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Abstract

Target injection is a key technology to realizing inertial fusion energy. Here we present the first demonstration of target injection and neutron generation. We injected more than 600 spherical deuterated polystyrene (C8D8) bead targets during 10 minutes at 1Hz. After the targets fell for a distance of 18cm, we applied the synchronized laser-diode-pumped ultra-intense laser HAMA and successfully generated neutrons repeatedly. The result is a step toward fusion power and also suggests possible industrial neutron sources.

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© 2013 by The Japan Society of Plasma Science and Nuclear Fusion Research
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