A 0.22 THz Input/Output Power Coupling System for Sheet Beam Traveling Wave Tubes

Qi Li,Guoxiang Shu,Guangxin Lin,Jingcong He,Jiacai Liao,Jujian Lin,Junchen Ren,Qingyi Guo,Wenlong He

2022 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP)（2022）

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摘要

A 0.22 THz input/output system for sheet beam traveling wave tubes is designed. It is mainly constituted by two components: two Bragg reflectors, one L-shaped waveguide, two matching steps and an RF window. The results of CST simulation show that the transmission coefficient curve S 21 is above -0.16 dB while the reflection coefficients curve S 11 is below -15 dB in the bandwidth of 47.3 GHz (201.9-249.2 GHz).

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关键词

0.22 THz,coupler,window,sheet beam traveling wave tubes

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