S band improved metamaterial slow-wave structure

Yanshuai Wang,Zhaoyun Duan,Zhanliang Wang,Jinjun Feng,Yubin Gong,Yan Nie,Sen Yang,Qing Zhou

doi:10.1109/ivec.2017.8289581

S band improved metamaterial slow-wave structure

Yanshuai Wang, Zhaoyun Duan + Show 6 more

https://doi.org/10.1109/ivec.2017.8289581

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Publication Date: Apr 1, 2017

Citations: 4

Affiliation: University of Electronic Science and Technology of China

#Slow-wave Structure #Metamaterial Slow-wave Structure + Show 8 more

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Abstract

In this paper, we present an S band improved metamaterial slow-wave structure (SWS), which is in order to increase the bandwidth of the previously proposed metamaterial SWS. A drift tube is added in the metamaterial unit cell, and the improved SWS has been further studied and analyzed by using Ansoft HFSS and CST Particle studio particle-in-cell solver. The simulated results show that the bandwidth of the improved metamaterial SWS has been effectively increased compared with that of the metamaterial SWS, and the peak output power of the S band backward-wave oscillator based on the improved SWS is 20.7 MW with an electronic efficiency of 92.4%.

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