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首页> 外文期刊>Journal of Infrared, Millimeter and Terahertz Waves >A Novel Terahertz Rat-Race Hybrid Coupler Based on PPDW
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A Novel Terahertz Rat-Race Hybrid Coupler Based on PPDW

机译：基于PPDW的新型太赫兹鼠-种族混合耦合器

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摘要

A novel rat-race hybrid coupler based on parallel-plate dielectric waveguide (PPDW) is proposed. PPDW has been proposed as a basic terahertz transmission line for its remarkable simple structure and comparatively low attenuation at terahertz frequency band. It can be applied to design many terahertz components. In this paper, a (3 N+3/2) × lambda circumference PPDW rat-race hybrid coupler operating at quasi-TE10 mode is studied. The investigation results show that, at 0.34 THz, the transmission losses of the two split output ports are both equals -3.2 dB; the return loss at its input port is below -20 dB; the insertion loss at each split transmission port is less than 0.2 dB; and the two isolated ports show good isolation of above 20 dB. Therefore, it will have wide potential applications at terahertz frequency band.
机译：提出了一种基于平行板介电波导（PPDW）的新型鼠-种族混合耦合器。 PPDW被认为是基本的太赫兹传输线，因为它具有显着的简单结构和在太赫兹频带上相对较低的衰减。它可以用于设计许多太赫兹组件。本文研究了在准TE10模式下工作的（3 N + 3/2）×λ周长PPDW大鼠-种族混合耦合器。研究结果表明，在0.34 THz时，两个分离输出端口的传输损耗均等于-3.2 dB;输入端口的回波损耗低于-20 dB;每个分离传输端口的插入损耗小于0.2 dB;两个隔离端口显示出20 dB以上的良好隔离度。因此，它将在太赫兹频段具有广泛的潜在应用。

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