A nanometer beam size monitor for ATF2

Taikan Suehara, Masahiro Oroku, Takashi Yamanaka, Hakutaro Yoda, Tomoya Nakamura, Yoshio Kamiya, Yosuke Honda, Tatsuya Kume, Toshiaki Tauchi, Tomoyuki Sanuki, Sachio Komamiya

Research output: Contribution to journalArticlepeer-review

21 Citations (Scopus)

Abstract

We developed an electron beam size monitor for nanometer scaled beam sizes. It uses a laser interference fringe for a scattering target with the electron beam. The target beam size for the monitor is 25-6000 nm to achieve and confirm the 37 nm design beam size of ATF2, a final focus test facility for the ILC. Resolution of less than 10% for the full range is shown to be realistic, with a precise fringe control system. We describe the overall design, implementation, and performance of the monitor.

Original languageEnglish
Pages (from-to)1-8
Number of pages8
JournalNuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume616
Issue number1
DOIs
Publication statusPublished - 2010 Apr 21

Keywords

  • ATF2
  • Beam focusing
  • Beam size monitor
  • ILC
  • Shintake monitor

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