[Table of Contents]

Plasma and Fusion Research

Volume 3, 014 (2008)

Rapid Communications

Achievement of 1.5 MW, 1 s Oscillation by the JT-60U Gyrotron
Takayuki KOBAYASHI, Shinichi MORIYAMA, Masami SEKI, Masayuki SAWAHATA, Masayuki TERAKADO and Tsuneyuki FUJII
Japan Atomic Energy Agency, Naka 311-0193, Japan
(Received 13 December 2007 / Accepted 14 February 2008 / Published 10 March 2008)

Abstract

High-power gyrotrons are required for electron cyclotron heating/current drive in high-performance plasma experiments. In Japan Atomic Energy Agency, the operation conditions of the JT-60U gyrotron, which was originally designed as a 1-MW gyrotron, were optimized in order to achieve high-power and long-pulse operation with some modifications of the gyrotron components. As a result, the output power level of 1.5 MW for 1 s was successfully achieved.

Keywords

high-power gyrotron, electron cyclotron heating/current drive, JT-60U

DOI: 10.1585/pfr.3.014

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This paper may be cited as follows:

Takayuki KOBAYASHI, Shinichi MORIYAMA, Masami SEKI, Masayuki SAWAHATA, Masayuki TERAKADO and Tsuneyuki FUJII, Plasma Fusion Res. 3, 014 (2008).