Design and measurement of a W-band Brewster window

Zhang, Yanyan and Zhang, Liang and He, Wenlong and Donaldson, Craig R. and McElhinney, Paul and Phelps, Alan D. R. and Cross, Adrian W. (2015) Design and measurement of a W-band Brewster window. IEEE Microwave and Wireless Components Letters, 25 (12). pp. 826-828. ISSN 1531-1309

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    Abstract

    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.