Wideband dielectric resonator terahertz reflectarray

H. Yi, S. Qu, C. Chan
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引用次数: 4

Abstract

Reflectarray is one of the most suitable options for terahertz (THz) frequency applications, because it can realize high gain with low feed loss. However, conventional metallic reflectarray suffer from significant energy dissipation in metals and dielectric losses in the THz frequency band. To overcome those limitations, a dielectric resonator reflectarray is proposed in this paper. The reflectarray is composed of rectangular columns element with high-resistivity silicon. A multi-frequency phase-matching method is employed in the design, and the simulated results show that the reflectarray has high aperture efficiency and a wide 1-dB gain bandwidth.
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宽带介质谐振器太赫兹反射式
反射天线是太赫兹(THz)频率应用中最合适的选择之一,因为它可以实现高增益和低馈电损耗。然而,传统的金属反射射线在太赫兹频段存在较大的能量损耗和介质损耗。为了克服这些限制,本文提出了一种介电谐振反射器。反射阵列由高电阻硅的矩形柱单元组成。设计中采用了多频相位匹配方法,仿真结果表明该反射镜具有较高的孔径效率和较宽的1db增益带宽。
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