Design of Modulated Dielectric Metasurfaces for Antenna Beamforming
2022 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting (AP-S/URSI)（2022）
摘要
Metasurfaces can be engineered to taper the electromagnetic fields and realize radiated beams. In this paper, we present an optimization framework to design metasurfaces comprising a thickness-modulated dielectric layer above a ground plane. By taking into account all mutual coupling effects, farfield radiation patterns with high accuracy can be obtained. An example of dual-beam generation with an embedded source is demonstrated showing the potential of beamforming with lowloss and low-profile dielectric metasurfaces.
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关键词
modulated dielectric metasurfaces,antenna beamforming,electromagnetic fields,radiated beams,optimization framework,design metasurfaces,thickness-modulated dielectric layer,ground plane,account all mutual coupling effects,farfield radiation patterns,dual-beam generation,lowloss,low-profile dielectric metasurfaces
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