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A 140GHz traveling-wave tube (TWT) by utilizing the sine waveguide slow wave structure (SWS) combined with the electron sheet beam is designed to develop the high power millimeter-wave radiation source. The investigation results reveal that this TWT can produce over 30W output power in the range from 135GHz to 151GHz. The maximum output power reaches 68.63W at 138GHz, which corresponds to a gain of...
A method to estimate output power for sheet-beam traveling-wave amplifiers is presented. Two traveling-wave tubes are calculated by this method, and the results are compared with those of particle-in-cell simulation.
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