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Numerical estimation of Ohmic loss of high power wideband diplexer for ECCD system

電子サイクロトロン電流駆動系のための大電力広帯域ダイプレクサーのオーム損失の数値計算

渥美 幸平*; 山口 智輝*; 長嶋 浩司*; 三枝 幹雄*; 福成 雅史*; 小田 靖久; 坂本 慶司

Atsumi, Kohei*; Yamaguchi, Tomoki*; Nagashima, Koji*; Saigusa, Mikio*; Fukunari, Masafumi*; Oda, Yasuhisa; Sakamoto, Keishi

A diplexer for high power millimeter wave has been developed as a fast switching device in ECCD system for improving a stabilizing efficiency of neoclassical tearing modes. The switching operation of diplexer was confirmed with the FDTD code developed in our laboratory and low power tests using a mock-up diplexer. The cooling design of half mirror will be a key issue of this development, so that the Ohmic loss of a miter bend and a half mirror of the ring resonator was estimated by the numerical simulations.

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