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首页> 外文期刊>Journal of Physics, D. Applied Physics: A Europhysics Journal >Anisotropic transmissive coding metamaterials based on dispersion modulation of spoof surface plasmon polaritons
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Anisotropic transmissive coding metamaterials based on dispersion modulation of spoof surface plasmon polaritons

机译：基于欺骗表面等离子体极化子分散调制的各向异性透射编码超材料

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摘要

Anisotropic transmissive coding melamaterials (CMMs) have been designed and demonstrated in this work. High-efficiency transmission with the amplitudes close to unity is achieved by ultrathin metallic tapered blade structures, on which incident waves can be highly coupled into spoof surface plasmon polaritons (SSPPs). The transmission phase can be therefore manipulated with much freedom by designing the dispersion of the SSPPs. These tapered blade structures are designed as the anisotropic unit cells of the CMMs. Two 1-bit anisotropic CMMs with different coding sequences were first designed and simulated, and then a 2-bit anisotropic CMM was designed and measured experimentally. The measured results agree well with the simulations. It is expected that this work provides an alternative method for designing the transmissive CMMs, and may find potential applications in the beam forming technique.
机译：在这项工作中设计和证明了各向异性透射编码的透射型透射型Melimaterials（CMMS）。 通过超薄金属锥形刀片结构实现具有接近统一的幅度的高效变速器，其中入射波可以高度耦合到欺骗表面等离子体极性子（SSPP）中。 因此，通过设计SSPP的分散，可以通过多得多自由地操纵传输阶段。 这些锥形刀片结构设计为CMMS的各向异性单元电池。 首先设计和模拟具有不同编码序列的两个1位各向异性CMMS，然后实验设计和测量2位各向异性CMM。 测量结果与模拟吻合良好。 预计这项工作提供了一种用于设计透射CMM的替代方法，并且可以在光束形成技术中找到潜在的应用。

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