Systematic study of a corrugated waveguide as a microwave undulator

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Microwave undulators have great potential to be used in short-wavelength free-electron lasers. In this paper, the properties of a corrugated waveguide and its performance as an undulator cavity for a UK X-ray free-electron laser were systematically studied. The equations presented in this paper allow a fast estimation of the dimensions of the corrugated waveguide. An undulator cavity operating at 36 GHz designed for the HE 11 and HE 12 modes was investigated and the performance of both modes compared.

Original languageEnglish
Pages (from-to)11-17
Number of pages7
JournalJournal of Synchrotron Radiation
Issue number 1
Early online date1 Nov 2018
Publication statusPublished - 31 Jan 2019


  • microwave undulator
  • free electron laser
  • corrugated waveguide
  • balanced hybrid condition

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