Design of a broadband corrugated horn for a W-band gyro-TWA

P. MCELHINNEY, C. R. Donaldson, W. He, L. Zhang, K. Ronald, A. D. R. Phelps, A. W. Cross

Research output: Chapter in Book/Report/Conference proceedingConference contribution book


A quasi-optical mode converter in the form of a corrugated horn has been designed and optimized through numerical simulations for a W-band gyrotron traveling wave amplifier (gyro-TWA). This horn converts a cylindrical TE 11 mode into a free-space TEM 00 mode in a frequency band of 90 GHz to 100 GHz with a return loss better than -35 dB and a Gaussian coupling efficiency of 97.8%.
Original languageEnglish
Title of host publication2011 International Conference on Infrared, Millimeter, and Terahertz Waves
Number of pages2
ISBN (Print)9781457705106
Publication statusPublished - 15 Dec 2011


  • optimization
  • reflection
  • couplings
  • plasmas
  • gyrotrons
  • electron beams
  • helium
  • microwave amplifiers
  • travelling wave amplifiers


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