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AW-band gyrotron traveling wave amplifier

By: Donaldson, C.R.; He, W.; Zhang, L.; McElhinney, P.; Cross, A.W.; Ronald, K.;

2013 / IEEE


This item from - IEE Conference - 1st Annual Active and Passive RF Devices Seminar - A gyrotron traveling wave amplifier (gyro-TWA) with a cusp electron gun and a helically corrugated waveguide operating in the W-band is presented. When driven by an electron beam of energy 40 keV and current 1.5 A, the amplifier is simulated to output 5–10 kW (CW) with a 3 dB frequency bandwidth of 90–100 GHz and saturated gain of 40 dB. Linear analysis, numerical simulation and experimental results will be presented.