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Measurement of a W-band gyro-TWA experiment based on a helically corrugated interaction region

He, W. and Donaldson, C. R. and Zhang, L. and McElhinney, P. and Garner, J. and Ronald, K. and Cross, A. W. and Phelps, A. D. R. (2017) Measurement of a W-band gyro-TWA experiment based on a helically corrugated interaction region. In: 18th International Vacuum Electronics Conference, 2017-04-24 - 2017-04-26, London.

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    Measurements of an upgraded W-band gyro-TWA with a helically corrugated waveguide and a cusp electron gun are presented. With upgraded input coupler and output systems a gain of ~37 dB was measured from the experiment with a maximum output power of over 2 kW. The amplification from the gyro-TWA was measured in the frequency range of 90 GHz to 96 GHz.