Research and development of wide band polarizer for high power millimeter wave

Sai, Takuma*; Matsubara, Fumiaki*; Ishida, Yoshitaka*; Saigusa, Mikio*; Kobayashi, Takayuki; Moriyama, Shinichi

A wideband polarizer were developed for an electron cyclotron current driving system in JT-60SA. The wideband polarizer consists of a twister and a circular polarizers. The polarization properties of the twister was confirmed in cold tests. A high power test of the twister was carried out at an input power of 0.25 MW, 3 s at a frequency of 110 GHz. A new polarizer was designed for next high power tests. The circular polarizer of the different groove period was simulated by numerical simulations using a FDTD method.

Language	:	Japanese
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Meeting title	:	Plasma Conference 2014 (PLASMA 2014)
Held date	:	2014/11
Location (city)	:	Niigata
Location (country)	:	Japan
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Keywords	:	電子サイクロトロン加熱; ミリ波; 偏波器
Research Facility	:	JT-60(臨界プラズマ試験装置)
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Article of JAEA R&D Review	:
Cooperating Institute	:	茨城大学

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Registration No. : BB20142261
JAEA Abstracts No. :
Paper Submission No. :

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