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Measurement of an upgraded input coupling system for W-band gyro-TWA

Zhang, Liang and He, Wenlong and Donaldson, Craig R. and Garner, Jason and Cross, Adrian W. (2017) Measurement of an upgraded input coupling system for W-band gyro-TWA. In: 18th International Vacuum Electronics Conference, 2017-04-24 - 2017-04-26, London.

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    Abstract

    A gyrotron traveling-wave amplifier (gyro-TWA) operating at W-band has been upgraded and experimentally measured. In this paper, the design and measurement of the upgraded input coupling system for the gyro-TWA is presented. In the measurement, the transmission coefficient of the coupler is at an optimal level of about -1 dB.