T. Fujisawa
National Institute of Radiological Sciences
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Publication
Featured researches published by T. Fujisawa.
Nuclear Instruments & Methods in Physics Research Section B-beam Interactions With Materials and Atoms | 2002
Noriyosu Hayashizaki; T. Hattori; Masatoshi Odera; K. Nakayama; Katsushi Isokawa; Kiyokazu Sato; T. Fujisawa
Abstract A cw electron accelerator system with a ridged cavity resonator, the Ridgetron, has been developed for industrial irradiation. It is intended to accelerate an electron beam up to 10 MeV and extract a beam power of 25 kW. As the first step of investigation, a 2.5 MeV prototype system was constructed. It consists of a cylindrical ridged cavity, four bending magnets and an electron gun. The acceleration test was performed after preliminary commissioning and the electron beam of 5.3 kW was extracted in continuous operation mode.
Nuclear Instruments & Methods in Physics Research Section B-beam Interactions With Materials and Atoms | 2000
Noriyosu Hayashizaki; T. Hattori; Masatoshi Odera; K. Nakayama; O. Takeda; Shinichi Takama; Akiko Yamaguchi; Katsushi Isokawa; Kiyokazu Sato; Keiko Iwasaki; T. Fujisawa
Abstract A compact electron accelerator, the Ridgetron, with a ridged cavity resonator has been developed for industrial irradiation. It is of a recirculating acceleration type and is intended to have an energy range of 0.5–10 MeV and a beam power of 1–25 kW. The operating frequency is in a VHF band. In this band, a RF amplifier by use of a transmitting tube can be operated in cw mode. A prototype system with an energy of 2.5 MeV and a beam power of 6.5 kW was constructed to confirm the feasibility. The beam acceleration test with a low current beam was performed in the pulse mode operation.
Journal of Radiation Research | 2007
Koji Noda; Takuji Furukawa; T. Fujisawa; Yoshiyuki Iwata; Tatsuaki Kanai; M. Kanazawa; A. Kitagawa; Masataka Komori; Shinichi Minohara; T. Murakami; M. Muramatsu; Shinji Sato; Yuka Takei; Mutsumi Tashiro; M. Torikoshi; Satoru Yamada; Ken Yusa
Archive | 2006
T. Fujisawa
Nuclear Instruments & Methods in Physics Research Section A-accelerators Spectrometers Detectors and Associated Equipment | 2004
Yoshinori Hashimoto; T. Fujisawa; T Morimoto; Y. Fujita; Toshihiro Honma; S. Muto; K. Noda; Y. Sato; S. Yamada
Nuclear Instruments & Methods in Physics Research Section A-accelerators Spectrometers Detectors and Associated Equipment | 2007
Yoshiyuki Iwata; Shigeru Yamada; T. Murakami; T. Fujimoto; T. Fujisawa; H. Ogawa; Nobuyuki Miyahara; K. Yamamoto; Satoru Hojo; Y. Sakamoto; M. Muramatsu; T. Takeuchi; T. Mitsumoto; H. Tsutsui; T. Watanabe; T. Ueda
Nuclear Instruments & Methods in Physics Research Section A-accelerators Spectrometers Detectors and Associated Equipment | 2006
Yoshiyuki Iwata; Shigeru Yamada; T. Murakami; T. Fujimoto; T. Fujisawa; H. Ogawa; Nobuyuki Miyahara; K. Yamamoto; Satoru Hojo; Y. Sakamoto; M. Muramatsu; T. Takeuchi; T. Mitsumoto; H. Tsutsui; T. Watanabe; T. Ueda
Nuclear Instruments & Methods in Physics Research Section B-beam Interactions With Materials and Atoms | 2010
Nobuyuki Miyahara; Toshihiro Honma; T. Fujisawa
Nuclear Instruments & Methods in Physics Research Section A-accelerators Spectrometers Detectors and Associated Equipment | 2006
Yoshiyuki Iwata; T. Fujimoto; Nobuyuki Miyahara; T. Fujisawa; H. Ogawa; Shigeru Yamada; T. Murakami; T. Mitsumoto; H. Tsutsui
Nuclear Instruments & Methods in Physics Research Section A-accelerators Spectrometers Detectors and Associated Equipment | 2004
K. Noda; S. Shibuya; D. Tann; S. Ninomiya; T. Uesugi; Takuji Furukawa; Toshihiro Honma; T. Iwashima; H.Y. Ogawa; Y. Hashimoto; T. Fujisawa; H. Uchiyama; M. Muramatsu; E. Syresin
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