A Wide-band Leaky-Wave Antenna based on Spoof Surface Plasmon Polaritons

BAI Yu-kun; CHAI Bo; ZHENG Hong-xing

doi:10.13756/j.gtxyj.2021.05.011

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A Wide-band Leaky-Wave Antenna based on Spoof Surface Plasmon Polaritons

更新时间：2022-06-20

- A Wide-band Leaky-Wave Antenna based on Spoof Surface Plasmon Polaritons
- Study on Optical Communications Issue 5, Pages: 67-72(2021)
- 作者机构：
  
  1.天津理工大学电气电子工程学院，天津　300384
  2.河北工业大学电子信息工程学院，天津　300401
- 作者简介：
- 基金信息：
- DOI：10.13756/j.gtxyj.2021.05.011
  CLC： TN822
- Published：10 October 2021，
  
  Received：30 December 2020，
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BAI Yu-kun, CHAI Bo, ZHENG Hong-xing. A Wide-band Leaky-Wave Antenna based on Spoof Surface Plasmon Polaritons. [J]. Study on Optical Communications (5):67-72(2021)
DOI：

BAI Yu-kun, CHAI Bo, ZHENG Hong-xing. A Wide-band Leaky-Wave Antenna based on Spoof Surface Plasmon Polaritons. [J]. Study on Optical Communications (5):67-72(2021) DOI： 10.13756/j.gtxyj.2021.05.011.

摘要

为了解决漏波天线带宽有限和整体尺寸较大的问题，文章提出了一种新型宽带漏波天线。该天线由人工表面等离激元传输线和非对称圆形贴片组成，其工作频段为7~15 GHz（相对带宽为72.73%），能够从后向至前向连续波束扫描，波束扫描角度为69°，同时具有稳定的高辐射增益。该天线的最大仿真增益达到13.1 dBi，测试增益波动仅为1.64 dB，测试结果与仿真结果吻合较好。文章所提宽带漏波天线具有结构简单、性能稳定且易于加工的优点。此外，天线的整体尺寸较小，更有利于无线通信系统的集成。

Abstract

In order to solve the problem of limited bandwidth and large overall size of leaky-wave antenna

a new wide-band leaky-wave antenna is proposed in this paper. The antenna is composed of surface plasmon polaritons transmission lines and asymmetric circular patches. It works at 7~15 GHz (relative bandwidth of 72.73%)

enabling continuous beam scanning from backward to forward with a beam scanning angle of 69°and a stable high radiation gain. The maximum gain of the antenna in simulation reaches 13.1 dBi and the measured gain variation is only 1.64 dB. The test results are good agree with the simulation results. The proposed leaky-wave antenna has the advantages of simple structure

stable performance and easy fabrication. Furthermore

the overall size of the antenna is comparatively small

which makes it conducive to the conformable integration in wireless communication systems.

关键词

漏波天线人工表面等离激元圆形贴片波束扫描尺寸较小

Keywords

leaky-wave antennaspoof surface plasmon polaritonscircular patchbeam scanningsmaller size

references

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Liu L, Chen M, Cai J, et al. Single-Beam Leaky-Wave Antenna with Lateral Continuous Scanning Functionality based on Spoof Surface Plasmon Transmission Line[J]. IEEE Access, 2019, 7: 25225-25231.

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