High-charge ultrashort electron bunch generation by an energy chirping cell-attached rf electron gun and its measurement using a transverse deflecting cavity

Yuya Koshiba, Y. Tadenuma, S. Otsuka, M. Washio, T. Takatomi, J. Urakawa, K. Sakaue

研究成果: Article査読

1 被引用数 (Scopus)

抄録

Ultrashort electron bunches are becoming increasingly important for applications such as free-electron lasers, time-resolved electron diffraction/microscopy, and advanced accelerator concepts. We report femtosecond electron bunch generation with a unique rf gun and its precise measurement using a transverse deflecting cavity. A bunch length of 323±13 fs with 120 pC (∼7.5×108 electrons) was achieved at a distance of just 3 m from the cathode. A longitudinal phase space distribution was also achieved, and we successfully experimentally confirmed the linearly energy chirped electron bunch generation and self-compression by the velocity difference.

本文言語English
論文番号083401
ジャーナルPhysical Review Accelerators and Beams
24
8
DOI
出版ステータスPublished - 2021 8月

ASJC Scopus subject areas

  • 核物理学および高エネルギー物理学
  • 物理学および天文学(その他)
  • 表面および界面

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