Development of 2-frequency (110/138 GHz) FADIS for JT-60SA ECHCD system

Idei, Hiroshi*; Moriyama, Shinichi; Kobayashi, Takayuki

The 2 frequency (110/138 GHz) gyrotron has been developed for a JT-60SA ECHCD system. The FADIS for the 2-frequency gyrotron system is developing under a JAEA collaboration with Kyushu University. A square corrugated waveguide diplexer system with 2 resonant rings has been considered for the 2 frequency application. The output beams split fifty-fifty to symmetric and anti-symmetric directions with proper imaging properties larger than 90% efficiencies for the incident Gaussian beam. The design work of the square corrugated waveguide diplexer will be reported.

Language	:	English
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Meeting title	:	Workshop on RF Heating Technology of Fusion Plasmas 2013
Held date	:	2013/09
Location (city)	:	Speyer
Location (country)	:	Germany
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Keywords	:	no keyword
Research Facility	:	JT-60(臨界プラズマ試験装置)
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Cooperating Institute	:	九州大学

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Registration No. : BB20131307
JAEA Abstracts No. :
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