A 140-GHz Two-Beam Overmoded Folded-Waveguide Traveling-Wave Tube

@article{Gong2011A1T,
  title={A 140-GHz Two-Beam Overmoded Folded-Waveguide Traveling-Wave Tube},
  author={Yubin Gong and Hairong Yin and Lingna Yue and Zhigang Lu and Yanyu Wei and Jinjun Feng and Zhaoyun Duan and Xiong Xu},
  journal={IEEE Transactions on Plasma Science},
  year={2011},
  volume={39},
  pages={847-851}
}
A folded-waveguide (FW) traveling-wave tube (TWT) with two electron beams, which operates at the higher order mode, is simulated. Operating with two electron beams means that a larger beam current can be used for a higher output power. Meanwhile, the electric field density of the fundamental mode is not the strongest at the center of the beam channel, so the competition of the fundamental mode is significantly suppressed. A four-section two-beam FWTWT at 140 GHz is designed to get 100 W of… CONTINUE READING
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