Development of high power broadband gyro-TWAs towards the terahertz range

He, W. and Donaldson, C. R. and Zhang, L. and McElhinney, P. and Yin, H. and Garner, J. R. and Ronald, K. and Cross, A. W. and Phelps, A. D. R.; (2017) Development of high power broadband gyro-TWAs towards the terahertz range. In: 2016 IEEE 9th UK-Europe-China Workshop on Millimetre Waves and Terahertz Technologies (UCMMT). IEEE, CHN, pp. 15-17. ISBN 9781509022755

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    Abstract

    In this paper gyrotron travelling wave amplifiers (gyro-TWAs) based on helically corrugated interaction regions will be presented. Their operating principle and the first experiment in X-band will be reviewed. The present experiment in W-band using a cusp electron beam source with the capability of a high pulse repetition frequency of 2 kHz will also be presented. The design and performances of the amplifiers for kilowatt output and broadband operation in the millimeter-wave and terahertz frequency ranges will also be presented.