Numerical evaluation of oscillator fel with multi-bunch photo-cathode RF-gun in Kyoto university

Hideaki Ohgaki, Toshiteru Kii, Kai Masuda, Satoshi Sasaki, Takumi Shiiyama, Heishun Zen, Ryunosuke Kuroda, Masao Kuriki, Nobuhiro Terunuma, Junji Urakawa, Yoshio Kamiya, Masakazu Washio

研究成果: Paper査読

2 被引用数 (Scopus)

抄録

Numerical evaluations have been performed to install a photo-cathode RF-gun into an oscillator FEL system which has been developed in Kyoto University. The original FEL system was consisted of a 4.5-cell thermionic RF gun with S-band accelerator tube of 3-m to oscillate the mid-infrared FEL. The electron beam properties have been evaluated from an RF-gun to an FEL by using PARMELA and ELEGANT. On the other hand, the FEL parameters have been calculated with GENESIS which takes the optical cavity into account. The evaluated peak current of the electron beam was 10-50 times as high as those with the thermionic RF-gun. Since the oscillator FEL requires a multi-bunch electron beam, evaluation of the round-trip development of the FEL has been also performed by a 100 bunch train beam. The results showed that the FEL gain saturation was achieved within 3 round-trips.

本文言語English
ページ390-393
ページ数4
出版ステータスPublished - 2007 12 1
イベント29th International Free Electron Laser Conference, FEL 2007 - Novosibirsk, Russian Federation
継続期間: 2007 8 262007 8 31

Conference

Conference29th International Free Electron Laser Conference, FEL 2007
国/地域Russian Federation
CityNovosibirsk
Period07/8/2607/8/31

ASJC Scopus subject areas

  • 核物理学および高エネルギー物理学

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