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Double-layer Metal Wire Based Artificial Electromagnetic Surface and its Application to Bessel Beam Microwave Lens

机译:基于双层金属线的人工电磁表面及其在贝塞尔光束微波透镜中的应用

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摘要

In this paper, a transmissive periodic metasurface based on double-layer metal wire structure is designed by combining gradient phase theory with Pancharatnam-Berry (P-B) phase theory to control scattering phase of electromagnetic wave. The proposed artificial electromagnetic medium lens can improve the cross-polarized wave conversion efficiency of the phase discontinuous metasurface and ensure the thickness of the lens is ultrathin relative to the working wavelength.
机译:本文结合梯度相理论和Pancharatnam-Berry(P-B)相理论设计了一种基于双层金属线结构的透射周期性超表面,以控制电磁波的散射相。所提出的人造电磁介质透镜可以提高相位不连续超颖表面的交叉极化波转换效率,并确保透镜的厚度相对于工作波长而言极薄。

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