Circularly Polarized Metasurface Superstrate Slot Antenna Array Fed by PRGW

被引：0
|
作者：
Taraji, Mahboubeh [1 ]
Baladi, Elham [2 ]
Antoniades, Marco A. [1 ]
机构：
[1] Toronto Metropolitan Univ, Dept Elect Comp & Biomed Engn, Toronto, ON, Canada
[2] Polytech Montreal, Dept Elect Engn, Poly Grames Res Ctr, Montreal, PQ, Canada
来源：
2024 IEEE INTERNATIONAL SYMPOSIUM ON ANTENNAS AND PROPAGATION AND INC/USNCURSI RADIO SCIENCE MEETING, AP-S/INC-USNC-URSI 2024 | 2024年
关键词：
D O I：
10.1109/AP-S/INC-USNC-URSI52054.2024.10685874
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
We present a wideband circularly-polarized 2-by-2 slot antenna array for X-band applications. The feeding network of the antenna is designed using printed ridge gap waveguide (PRGW) technology as a magnetic ground to suppress surface wave propagation and excite a quasi-TEM wave in the air along the ridge. Then, a single layer linear-to-circular polarization converter metasurface is designed and placed on top of the slot antenna array. The unit-cell of the converter contains two identical metallic layers with a combination of a connected Jerusalem cross (JC) and two parasitically coupled LC resonators. The antenna has a compact structure with a low profile, a -10-dB impedance bandwidth of 26% from 8.6 to 11.2 GHz, a 3-dB axial ratio bandwidth of 14% from 9.3 to 10.7 GHz, and an average gain of 13 dBi.
引用
收藏
页码：839 / 840
页数：2
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