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Open Access Publications from the University of California

Error analysis for hybrid undulators

  • Author(s): Arbelaez, D
  • Madur, A
  • Marks, S
  • Prestemon, SO
  • Schlueter, RD
  • Nuhn, HD
  • et al.

A general modeling framework is introduced that allows for the solution to magnetic field perturbations due to mechanical and magnetic tolerances in hybrid undulators. For example, both geometric pole errors and permanent magnet block geometry and strength errors can be considered. Of particular significance is the scaling of the various errors with variations in the gap of the device. In this work, the perturbation analysis is presented along with specific examples of errors found in hybrid undulators.

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