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Minehara, Eisuke
Nuclear Instruments and Methods in Physics Research A, 557(1), p.16 - 22, 2006/02
Times Cited Count：11 Percentile：58.17(Instruments & Instrumentation)The JAERI FEL facility at Tokai, Ibaraki, Japan has been well known one of the two existing and operating superconducting energy recovery linacs together with one more of JLAB (Jefferson national accelerator facility) FEL facility at Newport News, Virginia, U.S.A. We have independently and successfully developed one of the most advanced and newest accelerator technologies named "superconducting energy recovery linacs (ERLs)" and the application technologies using ERLs in future. We plan to report the current high power FEL upgrade program research, stress corrosion cracking prevention technology research, large current and high brightness photoelectron gun research of negative-electron affinity (NEA) photocathode and NEA electron-excitation cathode as the most important elemental technology in realizing many powerful ERLs.
Hajima, Ryoichi; Minehara, Eisuke; Nagai, Ryoji
Nuclear Instruments and Methods in Physics Research A, 528(1-2), p.340 - 344, 2004/08
Times Cited Count：1 Percentile：9.96(Instruments & Instrumentation)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.
Yoshida, Hidetoshi; Naito, Osamu; ; Kitamura, Shigeru; Hatae, Takaki; Nagashima, Akira
Review of Scientific Instruments, 70(1), p.747 - 750, 1999/01
Times Cited Count：5 Percentile：42.19(Instruments & Instrumentation)no abstracts in English
