Study for evaluation of undulator magnetic field using vibrating wire method

Yuu Tankaka, Shigeru Kashiwagi, Ken ichi Nanbu, Masayuki Kawai, Fujio Hinode, Toshiya Muto, Xiangkun Li, Hiroyuki Hama

研究成果: Conference contribution

抄録

We have constructed a planer undulator that is Halbach type composed of permanent magnet blocks. The period length of the undulator and the number of periods are 100 mm and 25, respectively. The vibrating wire method is studied to measure the periodic magnetic field of the undulator. A thin copper-beryllium wire is placed on the beam axis in the undulator. An AC current flow is applied in the wire, then by measuring amplitudes and phases of standing waves excited on the wire, we can reconstruct the magnetic field distribution along the wire numerically. In this paper, we discuss relations between reproducibility of the undulator field and the mode harmonics number incorporated into the reconstruction of undulator field.

本文言語English
ホスト出版物のタイトルFEL 2011 - 33rd International Free Electron Laser Conference
ページ413-416
ページ数4
出版ステータスPublished - 2011
イベント33rd International Free Electron Laser Conference, FEL 2011 - Shanghai, China
継続期間: 2011 8 222011 8 26

出版物シリーズ

名前FEL 2011 - 33rd International Free Electron Laser Conference

Other

Other33rd International Free Electron Laser Conference, FEL 2011
国/地域China
CityShanghai
Period11/8/2211/8/26

ASJC Scopus subject areas

  • 核物理学および高エネルギー物理学

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