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Further experiments of a W-band gyro-TWA based on a helically corrugated interaction region

He, W. and Donaldson, C. R. and Zhang, L. and McElhinney, P. and Yin, H. and Garner, J. and Ronald, K. and Cross, A. W. and Phelps, A. D. R. (2015) Further experiments of a W-band gyro-TWA based on a helically corrugated interaction region. In: 2015 40th International Conference on Infrared, Millimeter, and Terahertz waves (IRMMW-THz). IEEE, Piscataway, NJ, pp. 1-2. ISBN 9781479982721

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    Latest results of a W-band gyro-TWA with a helically corrugated waveguide and a cusp electron gun for operation at a high pulse repetition rate are presented. Performance upgrades of input coupler, output window, corrugated horn, pulsed power system and beam collector with water-cooling capability were realized. With an input seed signal from an 1.5 W, 90-96 GHz solid state source the amplification gain and minimum bandwidth were measured from the experiment.