Characterization Of Light Radiated From 11 m Long Undulator

The 10.8 m-long undulator (LU) has been installed at the 13.4 m straight section of the NewSUBARU storage ring. A monochromator beamline was constructed in the downstream of the undulator, and radiation from the LU was characterized. The radiation axis of LU was determined with a cross-wire beam pos...

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Published inAIP conference proceedings Vol. 705; no. 1; pp. 576 - 579
Main Authors Niibe, M, Mukai, M, Miyamoto, S, Shoji, Y, Hashimoto, S, Ando, A, Tanaka, T, Miyai, M, Kitamura, H
Format Journal Article
LanguageEnglish
Published United States 01.01.2004
Subjects
BEAM MONITORS
BEAM POSITION
CORRECTIONS
DIPOLES
ERRORS
GEOMAGNETIC FIELD
INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
IONIZATION
KRYPTON
RESOLUTION
STORAGE RINGS
SYNCHROTRON RADIATION
WIGGLER MAGNETS
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Summary:The 10.8 m-long undulator (LU) has been installed at the 13.4 m straight section of the NewSUBARU storage ring. A monochromator beamline was constructed in the downstream of the undulator, and radiation from the LU was characterized. The radiation axis of LU was determined with a cross-wire beam position monitor. The resolution of the VLS-PGM-type monochromator was evaluated by measuring the ionization spectrum of Kr gas. The resolution was at least over 1000, and the expected performance was obtained. Dipole-error fields and the effect of a geomagnetic field were successfully corrected using air-core correction coils. The spectral linewidth of the first harmonic radiation, E/dE, was obtained as about 75. The peak intensity of the first harmonic radiation was the same order of magnitude as the theoretical calculation.
Bibliography:SourceType-Scholarly Journals-2
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ISBN:0735401802
9780735401808
ISSN:0094-243X
1551-7616
DOI:10.1063/1.1757862