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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 sine waveguide traveling-wave tube with cylindrical electron beam tunnel is proposed to amplify the terahertz wave. In this paper, the high frequency characteristics of sine waveguide with cylindrical electron beam tunnel are calculated by 3-D high frequency simulation software. From the particle-in-cell simulation results, this beam-wave interaction circuit can produce several watts ranging from...
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