Insertion device R&D for NSLS-II
Albuquerque, NM（2007）
摘要
NSLS-II is a medium energy storage ring of 3 GeV electron beam energy with sub-nm.rad horizontal emittance and top-off capability at 500 mA. Damping wigglers will be used not only to reduce the beam emittance but also for broadband sources for users. Cryo-permanent magnet undulators (CPMUs) are considered for hard X-ray planar device, and permanent magnet based elliptically polarized undulators (EPUs) are for soft X-ray polarization control. Rigorous R&D plans have been established to pursue the performance enhancement of the above devices as well as building new types of insertion devices such as high temperature superconducting wiggler/undulators. This paper describes the details of these activities and discuss technical issues.
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关键词
accelerator magnets,electromagnetic wave polarisation,electron accelerators,electron beams,light sources,permanent magnets,storage rings,synchrotrons,wigglers,cryo-permanent magnet undulators,elliptically polarized undulators,national synchrotron light source -ii,beam emittance,broadband sources,current 500 ma,damping wigglers,electron beam energy,electron volt energy 3 gev,hard x-ray planar device,high temperature superconducting wiggler-undulators,horizontal emittance,insertion device,medium energy storage ring,permanent magnet,soft x-ray polarization control,polarization,energy storage,superconducting magnetic energy storage,damping,electron beam,temperature
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