Development of 170 and 110 GHz gyrotrons for fusion devices

Sakamoto, Keishi; Kasugai, Atsushi; Ikeda, Yoshitaka; Hayashi, Kenichi*; Takahashi, Koji; Moriyama, Shinichi; Seki, Masami; Kariya, Tsuyoshi*; Mitsunaka, Yoshika*; Fujii, Tsuneyuki; Imai, Tsuyoshi

Development of high power gyrotrons at 170GHz and 110GHz have beed carried out. At 170GHz gyrotron that is required for ITER, high power outputs of 0.9MW/9sec, 0.75MW/17sec, 0.5MW/30sec, 0.3MW/60sec have been obtained. At 110GHz gyrotron for JT-60U, 1.2MW/4sec was obtained. The 110GHz gyrotron is under operation at 4MW electron cyclotron heating and current drive system on JT-60U.

Language	:	English
Journal	:	Nuclear Fusion
Volume	:	43
Number	:	7
Pages	:	p.729 - 737
Publication Year/Month	:	2003/07
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Keywords	:	Gyrotron; ITER; JT-60U; 170GHz; 110GHz
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Registration No. : A20020443
JAEA Abstracts No. : 310946
Paper Submission No. : 20429

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