A Full-DC injector for an energy-recovery linac

Hajima, Ryoichi; Minehara, Eisuke; Nagai, Ryoji

We propose a full-DC injector for an energy-recovery linac. The injector is based on a 2MeV DC accelerator commercially available (Dynamitron type) combined with a photo cathode. The bunched beam from the DC accelerator is merged into the ERL loop and injected to a superconducting buncher booster, which accelerates the beam up to 20MeV. The bunch booster is operated in "partial energy-recovery mode", in which we can reduce the capacity of RF main couplers down to 10kW level even for high-average current operation, 100mA. We present a result of beam dynamics simulation and RF system optimization.

Language	:	English
Journal	:	Nuclear Instruments and Methods in Physics Research A
Volume	:	528
Number	:	1-2
Pages	:	p.340 - 344
Publication Year/Month	:	2004/08
Meeting title	:	25th International Free Electron Laser Conference (FEL 2003)
Held date	:	2003/09
Location (city)	:	Tsukuba
Location (country)	:	Japan
Patent information	:
PDF	:
Paper URL	:	https://doi.org/10.1016/j.nima.2004.04.064
DOI for research data	:
Keywords	:	ERL; DC Accelerator; Injector; Main Coupler; Photo Cathode
Research Facility	:
Press Release	:
Article of JAEA R&D Review	:
Cooperating Institute	:

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Registration No. : B20030684
JAEA Abstracts No. : 320836
Paper Submission No. : 21250

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