The design and simulation of a cusp electron beam source for a W-band Gyro-BWO experiment

Donaldson, Craig and He, Wenlong and Phelps, Alan and Cross, Adrian and Ronald, Kevin; (2007) The design and simulation of a cusp electron beam source for a W-band Gyro-BWO experiment. In: Eighth IEEE international vacuum electronics conference. IEEE International Vacuum Electronics Conference IVEC . IEEE, JPN, pp. 273-274. ISBN 9781424406333 (https://doi.org/10.1109/IVELEC.2007.4283321)

Abstract

Presented is the design of a cusp electron gun that is be used in a Gyrotron-Backward Wave Oscillator which is operating in the W-Band (75 - 110 GHz) frequency range. A cusp gun uses a non-adiabatic magnetic field reversal to impart azimuthal motion on an electron beam forming an axis-encircling beam. The cusp gun was designed to generate a beam of 2A at 40kV with a pitch factor of 1.65, in order to operate at a centre frequency of 94GHz. The beam had an axial velocity spread of 7.4% with a beam radius spread of 12.2% and alpha spread of 10.1

ORCID iDs

Donaldson, Craig ORCID: https://orcid.org/0000-0001-6627-2461

He, Wenlong ORCID: https://orcid.org/0000-0001-7018-0527

Phelps, Alan ORCID: https://orcid.org/0000-0002-1100-1012

Cross, Adrian ORCID: https://orcid.org/0000-0001-7672-1283

Ronald, Kevin ORCID: https://orcid.org/0000-0002-8585-0746

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• Item metadata

  Item type:	Book Section
  ID code:	32577
  Dates:	Date Event 2007 Published
  Subjects:	Science > Physics
  Department:	Faculty of Science > Physics
  Depositing user:	Pure Administrator
  Date deposited:	11 Aug 2011 14:50
  Last modified:	26 Mar 2025 01:31
  URI:	https://strathprints.strath.ac.uk/id/eprint/32577