A linear-to-circular polarization converter based on a second-order band-pass frequency selective surface

被引:51
作者
Lin, Baoqin [1 ]
Wu, Jia-liang [1 ]
Da, Xin-yu [1 ]
Li, Wei [1 ]
Ma, Jia-jun [1 ]
机构
[1] Air Force Engn, Xian, Peoples R China
来源
APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING | 2017年 / 123卷 / 01期
关键词
DESIGN;
D O I
10.1007/s00339-016-0673-8
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
In this work, we propose a linear-to-circular transmission polarization converter based on a second-order band-pass frequency selective surface (FSS). The FSS is composed of a three-layer aperture-coupled-patch structure, it can be interpreted as an array of antenna-filter-antenna modules, wherein the antenna is just a circularly polarized corner-truncated square microstrip antenna. A prototype of the proposed polarization converter is analyzed, fabricated and tested. Both simulation and experimental results show that the 3-dB axial ratio relative bandwidth of the polarization converter is over 30%, and the maximum insertion loss is only 1.87 dB; in addition, it can maintain good performance over a wide angular bandwidth at TE incidence.
引用
收藏
页数:5
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