Ka-band traveling wave tube driving by relativistic sheet electron beam

Zhang, Yabin; Wang, Zhanliang; Yang, Yang; Zhou, Qing; Bo, Wenfei; Liu, Shuaihong; Shi, Xianbao; Wei, Yanyu; Duan, Zhaoyun; Gong, Huarong; Feng, Jinjun; Gong, Yubin

doi:10.1109/ivec.2015.7223877

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“…Before that, we have done some researches on the relativistic sheet electron beam TWTs with waveguide input structure [2] . However, it's hard to do the experiment because it is difficult to adjust the tube location.…”

Section: Introductionmentioning

confidence: 99%

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A Ka-band relativistic sheet electron beam traveling wave tube using electric coupling input structure

Zhang

Wang

Gong

et al. 2015

2015 40th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz)

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An electric coupling input structure has been proposed for a Ka-band relativistic sheet electron beam traveling wave tube (TWT). This kind of new input structure is easily to be realized and can facilitate the experiment process very much. The results show that this kind of new structure has a good transmission characteristics. The reflection coefficient S 11 is less than -25dB from 30GHz to 40GHz and the transmission coefficient S 21 is bigger than 0.05dB at the same frequency range. The Ka-band relativistic sheet electron beam TWT with the new kind of input structure, can produce more than a MW pulse radiation.

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Section: Introductionmentioning

confidence: 99%

“…1. There are mainly three methods to stimulate TE 10 mode in the rectangular waveguide [2] . Instead of the magnetic coupling and mixed coupling method, we select the electric coupling method as it is wideband, simply design and easily match.…”

Section: Introductionmentioning

confidence: 99%