Performance of RF reference distribution system for the J-PARC linac

Kobayashi, Tetsuya; Chishiro, Etsuji; Anami, Shozo*; Michizono, Shinichiro*; Yamaguchi, Seiya*

Installation of the J-PARC linac machines (Phase I) has been almost completed and the beam commissioning will be started in December this year. The error of the accelerating field must be within 1 degree in phase and 1% in amplitude. Thus, high phase stability is required as an RF reference. Our objective concerning the phase stability of the reference aims at less than 0.3 degrees. Last year the installation of the RF reference distribution system was completed. The reference signal is optically distributed to all of the low-level RF control systems by using E/O, O/E, Optical Amplifier and Optical Couplers and so on. The performance of this system was evaluated. The phase stability of 0.06 degrees was obtained.

Language	:	English
Journal	:	Proceedings of 23rd International Linear Accelerator Conference (LINAC 2006) (CD-ROM)
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Pages	:	p.583 - 585
Publication Year/Month	:	2007/00
Meeting title	:	23rd International Linear Accelerator Conference (LINAC 2006)
Held date	:	2006/08
Location (city)	:	Knoxville
Location (country)	:	U.S.A.
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Keywords	:	no keyword
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Registration No. : BB20061684
JAEA Abstracts No. : 35001258
Paper Submission No. : 2850

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