Metasurface Luneburg Lens Antenna Implemented with Substrate-Integrated-Holes at Ka-Band

被引：0
|
作者：
Zetterstrom, Oskar [1 ]
Quevedo-Teruel, Oscar [1 ]
机构：
[1] KTH Royal Inst Technol, Div Electromegnet Engn, Stockholm, Sweden
来源：
2021 15TH EUROPEAN CONFERENCE ON ANTENNAS AND PROPAGATION (EUCAP) | 2021年
关键词：
Glide symmetry; higher symmetry; Luneburg lens; substrate-integrated-holes; SIH; 5G COMMUNICATIONS;
D O I：
暂无
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：
In this work, we study the substrate-integrated-holes (SIHs) metasurface. This metasurface consists of dielectric-filled cavities in the two conductors of a parallel plate waveguide (PPW). The accurate control of the effective refractive index in the SIH structure is demonstrated. Additionally, we design a metasurface Luneburg lens operating at 28 GHz based on the studied structure. The lens is fed with 11 waveguides with an angular spacing of 10 degrees, and thus, 100 degrees beam steering is obtained. A flare is used to match PPW to free-space. Since the wave propagates mainly in the air in the studied metasurface, low losses are obtained in the designed lens.
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页数：3
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