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

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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
Original languageEnglish
Title of host publicationEighth IEEE international vacuum electronics conference
Place of PublicationNew York
PublisherIEEE
Pages273-274
ISBN (Print)9781424406333
DOIs
Publication statusPublished - 2007
Event8th IEEE International Vacuum Electronics Conference - Kitakyushu, Japan
Duration: 15 May 200717 May 2007

Publication series

NameIEEE International Vacuum Electronics Conference IVEC
PublisherIEEE

Conference

Conference8th IEEE International Vacuum Electronics Conference
CountryJapan
CityKitakyushu
Period15/05/0717/05/07

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Keywords

  • high power microwave
  • cusp electron gun
  • Gyro-BWO
  • W-band
  • electron beam source
  • axis-encircling beam
  • large-orbit electron beam

Cite this

Donaldson, C., He, W., Phelps, A., Cross, A., & Ronald, K. (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 (pp. 273-274). (IEEE International Vacuum Electronics Conference IVEC ). New York: IEEE. https://doi.org/10.1109/IVELEC.2007.4283321