太赫兹带片束行波管的初步冷试验

2020 45th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz) Pub Date : 2020-11-08 DOI:10.1109/IRMMW-THz46771.2020.9370774

G. Shu, Junzhe Deng, Jujian Lin, Lijian Chen, Zhijie Huang, Xueliang Hua, Guo Liu, Wenlong He

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引用次数: 0

摘要

本文介绍了由两个相同输入/输出耦合器和一个90周期双交错光栅波导组成的高频系统的初步冷试验。采用纳米数控加工技术加工了无介电衰减器的HFS。矢量网络分析仪测量结果表明，在~ 47.2 GHz (241.4 ~ 288.6 GHz)带宽范围内，传输系数$S_{21}$和端口反射$S_{11}$分别优于−8.0 dB和−15.0 dB。测量结果表明加工精度和表面粗糙度满意，验证了所采用的制造工艺。

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Preliminary Cold Test of a Terahertz Band Sheet Beam Travelling Wave Tube

In this paper, the preliminary cold test of a high frequency system composed of two identical input / output couplers and a 90-period double-staggered grating waveguide is presented. A HFS without dielectric attenuators was machined by nano-CNC machining. The vector network analyzer measured results showed that the transmission coefficient $S_{21}$ and port reflection $S_{11}$ were better than −8.0 dB and −15.0 dB in the bandwidth of ∼47.2 GHz (241.4-288.6 GHz), respectively. The measured results were indicative of satisfactory machining accuracy and surface roughness and verified the adopted manufacturing technique.

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2020 45th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz)

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