Bunch length monitor using two-frequency analysis for rf gun system

Ryunosuke Kuroda, Shigeru Kashiwagi, Kazuyuki Sakaue, Masakazu Washio, Hitoshi Hayano, Junji Urakawa

研究成果: Article査読

11 被引用数 (Scopus)

抄録

An rms (root mean square) bunch length monitor for a laser-driven photocathode rf gun system based on a two-frequency analysis technique has been developed. Typically, the photoelectron beam generated from the rf gun system has an energy of 3-5 MeV and an rms bunch length smaller than 20 ps down to 3-4 ps. This monitor is suitable for such electron beam measurement. The rms bunch length as a function of rf phase was experimentally measured using both the rms bunch length monitor and streak camera technique using a 50 MeV electron beam at the KEK accelerator test facility (KEK-ATF) injector section which has an rf gun system and a 3-m-long accelerator structure. A numerical simulation study was also performed using the PARMELA code. The availability of this monitor was clearly verified by comparing the results. Consequently, this monitor was installed in the rf gun system at Waseda University and the rms bunch length measurement for a 3.5 MeV electron beam was precisely performed using the monitor.

本文言語English
ページ(範囲)7747-7752
ページ数6
ジャーナルJapanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers
43
11 A
DOI
出版ステータスPublished - 2004 11
外部発表はい

ASJC Scopus subject areas

  • 工学(全般)
  • 物理学および天文学(全般)

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