Design and simulation of W-band gyro-BWO based on a helically corrugated waveguide

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Abstract

The gyrotron-backward wave oscillator (Gyro-BWO) is an efficient source of coherent, high-power microwaves over the centimeter to millimeter wavelength range. At the University of Strathclyde a project has been undertaken to create a Gyro-BWO in the W-band frequency band (75 -110GHz) outputting in continuous wave (CW) operation. The dispersion for the waveguide was found numerically, analytically and experimentally. Dispersion results from the constructed waveguide agreed with theory to a high degree. A novel Cusp electron beam source has been designed to drive the beam wave interaction. Simulations have been carried out using the 3D particle in cell code MAGIC and a 2A, 40kV electron beam has been created.
Original languageEnglish
Title of host publication2007 IEEE 34th International Conference on Plasma Science (ICOPS)
PublisherIEEE
Number of pages1
ISBN (Print)9781424409150
DOIs
Publication statusPublished - 15 Oct 2007
EventICOPS 2007. IEEE 34th International Conference on Plasma Science - Albuquerque, United States
Duration: 17 Jun 200722 Jun 2007

Conference

ConferenceICOPS 2007. IEEE 34th International Conference on Plasma Science
CountryUnited States
CityAlbuquerque
Period17/06/0722/06/07

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Keywords

  • electron beams
  • corrugated surfaces
  • surface waves
  • boring
  • microwave oscillators
  • high power microwave generation
  • bandwidth
  • tuning
  • helium
  • frequency

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