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Amplification of W-band multi-frequency signals using a gyro-TWA

He, W. and Donaldson, C. R. and Zhang, L. and Cain, P. and Yin, H. and Ronald, K. and Cross, A. W. and Phelps, A. D. R. (2018) Amplification of W-band multi-frequency signals using a gyro-TWA. In: 43rd International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), 2018-09-09 - 2018-10-14, Nagoya Congress Center.

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    A W-band gyrotron traveling wave amplifier (gyroTWA) based on a helically corrugated interaction region achieved an unsaturated output power of 3.4 kW with a gain of up to 37 dB and a 3 dB frequency bandwidth of at least 5.5 GHz. In the experiments it was found that the gyro-TWA can be operated with a range of different electron beams. Also the frequency agility of the gyro-TWA was demonstrated by the amplification of multi-frequency signals.