3D Printed V-band Rod Antenna With Constant Gain Based on Spoof Surface Plasmon Polaritons

Qingle Zhang, B. Chen, C. Chan
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引用次数: 1

Abstract

A V-band rod antenna with constant gain based on spoof surface plasmon polaritons (SPPs) is proposed in this paper. In this design, a periodic metallic grating operates as a SPP transmission line, which can provide high EM field confinement and achieve a low insertion loss (only 0.079dB/mm at 60GHz). Meanwhile, due to the SPPs unique dispersion characteristic, a broadband rod antenna is designed with high gain. This rod antenna is conveniently fabricated by 3D printing followed by metalization. The simulated results show that the proposed rod antenna can cover V-band from 50 to 75GHz with| S11| < −15dB and achieve a gain of 15.8 dBi with less than 1.2dBi variation. The measured −10dB bandwidth is from 50GHz to 70GHz with 12.87dBi-16.5dBi gain.
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基于欺骗表面等离子激元的恒增益v波段天线3D打印
提出了一种基于欺骗表面等离子激元的恒增益v波段棒形天线。在本设计中,周期性金属光栅作为SPP传输线,可以提供高电磁场约束并实现低插入损耗(60GHz时仅为0.079dB/mm)。同时,利用SPPs独特的色散特性,设计了高增益的宽带棒状天线。这种棒状天线是通过3D打印和金属化方便地制造出来的。仿真结果表明,该杆状天线可以覆盖50 ~ 75GHz的v波段,增益为15.8 dBi,增益变化小于1.2dBi。−10dB测量带宽范围为50GHz ~ 70GHz,增益12.87 dbi ~ 16.5 dbi。
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