Design and measurement of a W-band Brewster window

Yanyan Zhang, Liang Zhang, Wenlong He, Craig R. Donaldson, Paul McElhinney, Alan D. R. Phelps, Adrian W. Cross

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A Brewster window integrated into a corrugated waveguide was designed, manufactured and studied for a W-band gyrotron traveling wave amplifier. A corrugated waveguide intended to guide a quasi-plane wave (HE11) through the window, was numerically optimized and verified by measurement using a Vector Network Analyzer. The Brewster window was measured to have a reflection lower than -22 dB for the TE11 mode over the frequency range of 85 - 101 GHz.
Original languageEnglish
Pages (from-to)826-828
Number of pages3
JournalIEEE Microwave and Wireless Components Letters
Issue number12
Early online date2 Nov 2015
Publication statusPublished - 1 Dec 2015


  • Brewster window
  • gyro-devices
  • corrugated waveguide
  • dielectrics
  • gyrotrons
  • microwave measurement

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  • Datasets

    Components measurement data for project "Gyrotron TWA for High Field EPR and high field DNP"

    Zhang, L. (Creator), He, W. (Creator), Donaldson, C. (Creator), MCELHINNEY, P. (Contributor), Garner, J. (Contributor) & Cross, A. (Owner), University of Strathclyde, 14 Mar 2017


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