W-band Gyro-TWA experiment using a helically corrugated waveguide

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Abstract

A W-band gyrotron travelling wave amplifier (Gyro-TWA) with a cusp electron gun and a helically corrugated waveguide (HCW) is presented. The large orbit electron beam from the cusp gun interacts resonantly with an ideal eigenwave existing in the interaction region based on the cyclotron resonance maser instability. When driven by the 40 keV, 1.5 A electron beam the amplifier was simulated to output a maximum 10 kW (CW) with a 3 dB frequency bandwidth of 90-100 GHz and saturated gain of 40 dB. Linear analysis, numerical simulations and the measured results of the amplifier as well as the input coupler and the output window are presented.
Original languageEnglish
Title of host publication2012 IEEE Thirteenth International Vacuum Electronics Conference (IVEC)
Place of PublicationPiscataway, NJ.
PublisherIEEE
Pages417-418
Number of pages2
ISBN (Print)9781467301886
DOIs
Publication statusPublished - 2012
Event2012 IEEE Thirteenth International Vacuum Electronics Conference (IVEC) - Monterey,CA, United States
Duration: 24 Apr 201226 Apr 2012

Conference

Conference2012 IEEE Thirteenth International Vacuum Electronics Conference (IVEC)
CountryUnited States
CityMonterey,CA
Period24/04/1226/04/12

Keywords

  • Gyro-TWA
  • gyrotron
  • helically corrugated waveguide
  • W-band Gyro-devices
  • electron guns
  • travelling wave amplifiers
  • waveguides

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  • Cite this

    He, W., Donaldson, C. R., Zhang, L., McElhinney, P., Ronald, K., Phelps, A., ... Cross, A. W. (2012). W-band Gyro-TWA experiment using a helically corrugated waveguide. In 2012 IEEE Thirteenth International Vacuum Electronics Conference (IVEC) (pp. 417-418). Piscataway, NJ.: IEEE. https://doi.org/10.1109/IVEC.2012.6262220