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An input coupler for a W-band gyro-TWA

Zhang, Liang and He, Wenlong and Donaldson, Craig R. and Ronald, Kevin and McElhinney, Paul and Cross, Adrian W. (2013) An input coupler for a W-band gyro-TWA. In: 2013 6th UK, Europe, China Millimeter Waves and THz Technology Workshop (UCMMT). IEEE, Piscataway, NJ, pp. 1-2. ISBN 9781479909834

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    The input coupler that is used to launch the desired wave into the interaction region is an important component for a gyro-TWA. In this paper, a side-wall rectangular-to-circular coupler aiming to achieve a high coupling coefficient was designed for a W-band gyro-TWA. A broadband reflector was optimized to take the place of the cut-off waveguide to allow a much bigger beam tunnel to reduce the alignment difficulty.