Author: Gluskin, E.
Paper Title Page
Superconducting Undulators - A Novel Source of Radiation for Synchrotron and FEL Light Sources  
  • E. Gluskin
    ANL, Lemont, Illinois, USA
  Funding: Work supported by the U.S. Department of Energy, Office of Science, under Contract No. DE-AC02-06CH11357.
Superconducting (SC) magnets have been used at many accelerators for several decades. In the last several years noticeable progress in the use of SC undulators (SCUs) at the Advanced Photon Source (APS) has taken place. SCUs outperform most advanced permanent magnet-based undulators. This motivated APS to significantly invest in the development of SCU technology. More than a decade of effort by the APS SCU team has culminated in several engineering advances in cryogenic, magnet, and magnet measurement designs applied to SCUs. Successful SCU prototypes led to construction of three SCUs that are currently quite reliably operated at the APS. Two of them are planar SCUs, and one is a helical SCU. Currently as part of the APS-U project, the APS SCU team builds new SCU systems, each comprising two long SC undulators housed in a 5-m-long cryostat. It also works on a quite challenging device, an arbitrary polarizing SCU called SCAPE. At the same time, the APS team, in collaboration with FNAL and LBNL, is working on the development and construction of a planar Nb3Sn SCU and will be collaborating with SLAC on the development of an SCU FEL module.
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