A multiple-hole input coupler for a 372 GHz gyro-travelling wave amplifier

Zhang, Liang and Garner, Jason and He, Wenlong and Donaldson, Craig R. and Cross, Adrian W. (2017) A multiple-hole input coupler for a 372 GHz gyro-travelling wave amplifier. In: 18th International Vacuum Electronics Conference, 2017-04-24 - 2017-04-26, London.

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    Abstract

    The design of a multiple-hole coupler that operates at a center frequency of 372 GHz for use in a gyrotron travelingwave amplifier (gyro-TWA) is presented. In simulations, the coupler achieved 35% bandwidth from 289GHz to–410 GHz with transmission losses of -0.5 dB predicted.