光束转向
液晶
平面的
光学
材料科学
极高频率
毫米
光电子学
编码(社会科学)
梁(结构)
物理
计算机科学
数学
统计
计算机图形学(图像)
作者
Qiang Wang,Xin Ge Zhang,Han Wei Tian,Wei Jiang,Dinghua Bao,Hao Jiang,Zhangjie Luo,Li Wu,Tie Jun Cui
标识
DOI:10.1002/adts.201900141
摘要
Abstract Metasurfaces provide an unprecedented capability in manipulating electromagnetic waves. In this work, a millimeter‐wave (mmW) digital coding metasurface based on nematic liquid crystals (NLCs) is proposed and realized. By tuning the bias voltage loaded on the NLCs, the effective permittivity of the NLCs substrate is changed, thus providing different reflection phases. As a proof of concept, mmW beam splitting and mmW beam steering at mmW frequencies are demonstrated using a single metasurface platform. The experimental results are in good agreement with numerical simulations. The proposed digital coding metasurfaces have promising applications on planar mmW devices, such as multi‐beam antennas, beam‐scanning antennas, and wave controllers.
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