A broadband corrugated horn for a W-band gyro-TWA

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Abstract

A quasi-optical mode converter in the form of a corrugated horn has been constructed for a W-band gyrotron traveling wave amplifier (gyro-TWA). The prototype was designed and optimized through analytical and numerical simulations. The horn converts a cylindrical TE 11 mode into a free-space TEM 00 mode in a frequency band of 90 GHz to 100 GHz. The optimized simulation predicts a return loss better than -35 dB and a Gaussian coupling efficiency of 97.8% and the measured prototype demonstrates a close agreement with these figures.
Original languageEnglish
Title of host publicationIVEC 2012
Place of PublicationPiscataway, NJ.
PublisherIEEE
ISBN (Print)9781467301886
DOIs
Publication statusPublished - 9 Aug 2012

Keywords

  • gyrotrons
  • millimetre wave amplifiers
  • numerical analysis
  • travelling wave amplifiers
  • quasi-optical
  • Gyro-TWA

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