Undulators at HiSOR - a compact racetrack-type ring.

Undulators at HiSOR - a compact racetrack-type ring. Research Abstract Details 

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Undulators at HiSOR - a compact racetrack-type ring. Abstract Text:

A Hiraya,K Yoshida,S Yagi,M Taniguchi,S I Kimura,H Hama,T Takayama,D Amano,

A compact racetrack-type 700 MeV storage ring (HiSOR) has been constructed at Hiroshima Synchrotron Radiation Center (HSRC). As the ring was planned for synchrotron radiation research on science and technology using VUV to X-rays up to 5 keV with limited size and cost, the ring was designed (i) to realize a high magnetic field (2.7 T) using conventional dipole magnets for higher critical energy, and (ii) to include two straight sections for insertion devices. A linear undulator (25-300 eV) and a new-type helical/linear undulator were installed at the two straight sections. The latter undulator consists of upper and lower jaws, as in a planar undulator; each jaw consists of one fixed magnet array at the centre and two magnet arrays on both sides. By longitudinal displacement of the side magnet arrays, the phase between the vertical and horizontal magnetic fields, and therefore the polarization (right- or left-circular, elliptical, linear) can be selected. The helical/linear undulator gives almost perfect circular polarization at 4-40 eV in the helical configuration without changing the phase of the magnet arrays, as well as linearly polarized light at 3-300 eV in the linear configuration.

Undulators at HiSOR - a compact racetrack-type ring. Publishing Authors By Initials

A Hiraya,K Yoshida,S Yagi,M Taniguchi,SI Kimura,H Hama,T Takayama,D Amano,

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Undulators at HiSOR - a compact racetrack-type ring. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: Journal of synchrotron radiation

VOLUME: 5

Page Numbers: 445-7

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ISSN: 0909-0495

DAY: 1

MONTH: 05

YEAR: 1998

Undulators at HiSOR - a compact racetrack-type ring. Information

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LANGUAGE: eng

NlmUniqueID: 9888878

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Grant and Affiliation Information for Undulators at HiSOR - a compact racetrack-type ring.

AFFILIATION: Hiroshima Synchrotron Radiation Center (HSRC) and Department of Materials Science, Hiroshima University, Kagamiyama, Higashi-Hiroshima 739, Japan.

Country: Denmark

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MEDLINETA: J Synchrotron Radiat

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