Development of input power coupler for ERL main linac in Japan

Sakai, Hiroshi*; Furuya, Takaaki*; Sakanaka, Shogo*; Takahashi, Takeshi*; Umemori, Kensei*; Ishii, Atsushi*; Nakamura, Norio*; Shinoe, Kenji*; Sawamura, Masaru

We started to develop an input coupler for a 1.3GHz ERL superconducting cavity for ERL main linac. Required input power is about 20kW for the cavity acceleration field of 20MV/m and the beam current of 100mA in energy recovery operation. The input coupler is designed based on the STF-BL input coupler and some modifications are applied for the CW 20kW power operation. We fabricated input coupler components such as ceramic windows and bellows and carried out the high-power test of the components by using a 30kW IOT power source and a test stand constructed.

Language	:	English
Journal	:	Proceedings of 14th International Conference on RF Superconductivity (SRF 2009) (Internet)
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Pages	:	p.684 - 688
Publication Year/Month	:	2009/09
Meeting title	:	14th International Conference on RF Superconductivity (SRF 2009)
Held date	:	2009/09
Location (city)	:	Berlin
Location (country)	:	Germany
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Keywords	:	no keyword
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Article of JAEA R&D Review	:
Cooperating Institute	:	東京大学物性研究所; 高エネルギー加速器研究機構

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Registration No. : BB20093236
JAEA Abstracts No. : 38000380
Paper Submission No. : 7004

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