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Kojima, Atsushi; Kamiya, Kensaku; Iguchi, Harukazu*; Fujita, Takaaki; Kakiuchi, Hideto*; Kamada, Yutaka
Review of Scientific Instruments, 79(9), p.093502_1 - 093502_5, 2008/00
Times Cited Count：10 Percentile：44.77(Instruments & Instrumentation)A high-brightness and low-divergence neutral lithium beam is obtained for a Zeeman polarimetry of edge plasmas on JT-60U. In order to achieve high-brightness and low divergence angle simultaneously, the beam optics is designed after detailed numerical simulation taking the space charge effects into account. The newly-developed ion gun is operated on a test stand which simulates the diagnostic arrangement on JT-60U. The ion beam current of 10 mA is successfully extracted from the electron beam heated ion source. A sodium vapor neutralizer neutralizes the collimated ion beam fully at the temperature of 300
C. The neutral lithium beam is transported for 6.5 m long from the neutralizer. The HWHM radius of 26 mm and the equivalent beam current of 3 mA with the beam divergence angle of 0.2 degree are obtained. Those parameters satisfy the requirements of the Zeeman polarimetry. Furthermore, a long pulse extraction with a current of 10 mA and duration of 50 seconds is attained.
Kojima, Atsushi; Ishii, Kameo*; Miyata, Yoshiaki*; Kakiuchi, Hideto*; Kaido, Norihiro*; Yoshikawa, Masayuki*; Itakura, Akiyoshi*; Ichimura, Makoto*; Chujo, T.*
Fusion Science and Technology, 51(2T), p.274 - 276, 2007/02
Times Cited Count：2 Percentile：18.73(Nuclear Science & Technology)no abstracts in English
Yoshida, Maiko; Koide, Yoshihiko; Takenaga, Hidenobu; Urano, Hajime; Oyama, Naoyuki; Sakamoto, Yoshiteru; Kamiya, Kensaku; Kakiuchi, Hideto*; Kamada, Yutaka; JT-60 Team
no journal, ,
no abstracts in English
Yoshida, Maiko; Koide, Yoshihiko; Takenaga, Hidenobu; Urano, Hajime; Oyama, Naoyuki; Sakamoto, Yoshiteru; Kamiya, Kensaku; Kakiuchi, Hideto*; Kamada, Yutaka; JT-60 Team
no journal, ,
no abstracts in English
Kojima, Atsushi; Kamiya, Kensaku; Kakiuchi, Hideto*; Iguchi, Harukazu*; Fujita, Takaaki; Kamada, Yutaka
no journal, ,
no abstracts in English
