Generation of coherent undulator radiation using extremely short electron bunch at t-ACTS, Tohoku University

S. Kashiwagi, T. Abe, F. Hinode, T. Muto, K. Nanbu, K. Takahashi, I. Nagasawa, H. Saito, Y. Shibasaki, C. Tokoku, H. Hama

研究成果: Conference contribution

抄録

An accelerator test facility, t-ACTS, was established at Research Center for Electron Photon Science, Tohoku University, in which an intense coherent terahertz (THz) radiation is generated from an extremely short electron bunch. Velocity bunching scheme in a traveling-wave accelerating structure is employed to produce the short electron bunch. A long-period undulator, which has 25 periods with a period length of 10 cm and a peak magnetic field of 0.41 T, has been developed to produce intense coherent THz radiation. Properties of the radiation from the THz undulator such as an electric field of the radiation, the spectrum and, angular distribution were numerically investigated based on the parameters of short electron bunch and the THz undulator. By optimization of bunch compression, it is possible to extract a coherent radiation of fundamental mode excluding higher-order modes. The detail of the numerical studies for the coherent undulator radiation and a preparation of beam experiment are reported.

本文言語English
ホスト出版物のタイトルIPAC 2016 - Proceedings of the 7th International Particle Accelerator Conference
出版社Joint Accelerator Conferences Website (JACoW)
ページ1760-1762
ページ数3
ISBN(電子版)9783954501472
出版ステータスPublished - 2016
イベント7th International Particle Accelerator Conference, IPAC 2016 - Busan, Korea, Republic of
継続期間: 2016 5 82016 5 13

出版物シリーズ

名前IPAC 2016 - Proceedings of the 7th International Particle Accelerator Conference

Other

Other7th International Particle Accelerator Conference, IPAC 2016
CountryKorea, Republic of
CityBusan
Period16/5/816/5/13

ASJC Scopus subject areas

  • Nuclear and High Energy Physics
  • Atomic and Molecular Physics, and Optics

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