• Open Access

Permanent magnet based dipole magnets for next generation light sources

Takahiro Watanabe, Tsutomu Taniuchi, Shiro Takano, Tsuyoshi Aoki, and Kenji Fukami
Phys. Rev. Accel. Beams 20, 072401 – Published 31 July 2017

Abstract

We have developed permanent magnet based dipole magnets for the next generation light sources. Permanent magnets are advantageous over electromagnets in that they consume less power, are physically more compact, and there is a less risk of power supply failure. However, experience with electromagnets and permanent magnets in the field of accelerators shows that there are still challenges to replacing main magnets of accelerators for light sources with permanent magnets. These include the adjustability of the magnetic field, the temperature dependence of permanent magnets, and the issue of demagnetization. In this paper, we present a design for magnets for future light sources, supported by experimental and numerical results.

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  • Received 26 January 2017

DOI:https://doi.org/10.1103/PhysRevAccelBeams.20.072401

Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI.

Published by the American Physical Society

Physics Subject Headings (PhySH)

Accelerators & Beams

Authors & Affiliations

Takahiro Watanabe1,2,*, Tsutomu Taniuchi1, Shiro Takano1,2, Tsuyoshi Aoki1, and Kenji Fukami1,2

  • 1Japan Synchrotron Radiation Research Institute (JASRI), 1-1-1 Kouto, Sayo, Hyogo 679-5198, Japan
  • 2RIKEN SPring-8 Center (RSC), 1-1-1 Kouto, Sayo, Hyogo 679-5148, Japan

  • *twatanabe@spring8.or.jp

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Vol. 20, Iss. 7 — July 2017

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