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

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

研究成果査読

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

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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