Development of shintake beam size monitor for ATF2

Y. Kamiya, Sachio Komamiya, M. Oroku, T. Suehara, Y. Yamaguchi, T. Yamanaka, S. Araki, T. Okugi, T. Tauchi, N. Terunuma, J. Urakawa

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Abstract

In this paper, we describe a system design and current status of Shintake beam size monitor. Shintake monitor is a laser-based beam diagnostics tool, which provides a non-invasive measurement of transverse beam sizes. The interaction target probing the electron beam is interference fringes build up by the two coherent lasers that have narrow bandwidth and long coherent length. A scale of the target structure corresponds to approximately one fourth of the laser wave length, and the smallest measurable size reaches down to several tens of nanometers. The monitor we described here is installed at the virtual interaction point of the ATF2 beam line, which is built to confirm the proposed final focus system for Future Linear Colliders. We adopt second harmonics of Nd:YAG laser of 532 nm wavelength, and phase stabilization feedback system to allow to measure the designed beam size of about 37 nm. To widen a measurable range up to about 5 microns (wire scanner's range), we also prepare three crossing modes that change an effective wavelength for the fringes. The monitor is used to measure a focus size during the tuning process. The system is based on the Shintake monitor for FFTB.

Original languageEnglish
Title of host publicationIPAC 2010 - 1st International Particle Accelerator Conference
Pages1011-1013
Number of pages3
Publication statusPublished - 2010 Dec 1
Externally publishedYes
Event1st International Particle Accelerator Conference, IPAC 2010 - Kyoto
Duration: 2010 May 232010 May 28

Other

Other1st International Particle Accelerator Conference, IPAC 2010
CityKyoto
Period10/5/2310/5/28

Fingerprint

monitors
lasers
wavelengths
systems engineering
scanners
YAG lasers
stabilization
tuning
interactions
wire
electron beams
bandwidth
interference
harmonics

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

Cite this

Kamiya, Y., Komamiya, S., Oroku, M., Suehara, T., Yamaguchi, Y., Yamanaka, T., ... Urakawa, J. (2010). Development of shintake beam size monitor for ATF2. In IPAC 2010 - 1st International Particle Accelerator Conference (pp. 1011-1013)

Development of shintake beam size monitor for ATF2. / Kamiya, Y.; Komamiya, Sachio; Oroku, M.; Suehara, T.; Yamaguchi, Y.; Yamanaka, T.; Araki, S.; Okugi, T.; Tauchi, T.; Terunuma, N.; Urakawa, J.

IPAC 2010 - 1st International Particle Accelerator Conference. 2010. p. 1011-1013.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Kamiya, Y, Komamiya, S, Oroku, M, Suehara, T, Yamaguchi, Y, Yamanaka, T, Araki, S, Okugi, T, Tauchi, T, Terunuma, N & Urakawa, J 2010, Development of shintake beam size monitor for ATF2. in IPAC 2010 - 1st International Particle Accelerator Conference. pp. 1011-1013, 1st International Particle Accelerator Conference, IPAC 2010, Kyoto, 10/5/23.
Kamiya Y, Komamiya S, Oroku M, Suehara T, Yamaguchi Y, Yamanaka T et al. Development of shintake beam size monitor for ATF2. In IPAC 2010 - 1st International Particle Accelerator Conference. 2010. p. 1011-1013
Kamiya, Y. ; Komamiya, Sachio ; Oroku, M. ; Suehara, T. ; Yamaguchi, Y. ; Yamanaka, T. ; Araki, S. ; Okugi, T. ; Tauchi, T. ; Terunuma, N. ; Urakawa, J. / Development of shintake beam size monitor for ATF2. IPAC 2010 - 1st International Particle Accelerator Conference. 2010. pp. 1011-1013
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