Research and development of high power wide-band polarizer for ECCD system

Sugiyama, Naoya*; Ikehara, Suguru*; Saigusa, Mikio*; Moriyama, Shinichi; Kobayashi, Takayuki

A high power wide-band polarizer has been developed for ECCD system using step tunable gyrotrons. The polarizer has been designed at frequency bands of 110, 130 and 140 GHz with analysis by the finite differential time domain method. The wide-band polarizer was designed for low-power experiments. It appears that the large ditch ratio rectangular grooved mirror is suitable for wide-band. The grooved mirror having rectangular wide ditch installed in a miter bend was designed for a wide-band polarizer.

Language	:	Japanese
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Meeting title	:	Plasma Conference 2011 (PLASMA 2011)
Held date	:	2011/11
Location (city)	:	Kanazawa
Location (country)	:	Japan
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Keywords	:	no keyword
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Cooperating Institute	:	茨城大学

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Registration No. : BB20112042
JAEA Abstracts No. :
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