The design of a pair of elliptically polarized undulators at SSRF
IEEE Transactions on Applied Superconductivity（2012）
摘要
The magnetic design of a pair of elliptically polarized undulators with APPLE-II type which will be used in a soft X-ray beam line for ARPES and PEEM at SSRF is presented. The undulators will cover the energy range from 20 eV to 2000 eV of arbitrary polarized light including the horizontal, vertical, elliptical and circular polarization. The quasi-periodic design to minimize the contributions of the higher harmonics of the low energy undulator is also described. © 2002-2011 IEEE.
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关键词
elliptically polarized undulators,higher harmonics radiation,quasi-periodic undulator,elliptical polarization,photonics,horizontal polarization,angle resolved photoemission spectroscopy,force,circular polarization,harmonic analysis,magnetic fields,magnetic field,vertical polarization,polarized light
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