超表面多波段类似电磁感应透明

IF 1.6 4区物理与天体物理 Q3 PHYSICS, CONDENSED MATTER

The European Physical Journal B Pub Date : 2024-12-24 DOI:10.1140/epjb/s10051-024-00845-7

Renxia Ning, Xueyan Zheng, Qi Liu, Ningye He, Yuan Xu

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引用次数: 0

摘要

本文设计了一种双层结构的超表面结构。在印刷电路板的基板上制备了两根垂直金属条和三根u形金属图案。通过与部分结构的透射比较，分析了通过多模耦合获得该结构多波段类似电磁感应透明（EIT）的原因，并利用多极散射理论分析了该结构的共振机理。通过分析该结构的电场分布，得出了该结构产生类似电致发光的物理机理。进一步分析了结构参数对类似EIT现象的影响。在微波消声室中，将测量结果与计算结果进行比较，结果吻合较好。该结构在多波段滤波器、折射率传感器和微波器件中具有潜在的应用前景。图形抽象

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Analogous electromagnetically induced transparency with multiband on metasurfaces

In this paper, a metasurface structure with dual-layer structure was designed. Two vertical metal bars and three U-shaped metal patterns are prepared on substrate of printed circuit board (PCB). By analyzing the transmission comparison with partial of the structure, it was analyzed that the reason for the multiband analogous electromagnetically induced transparency (EIT) of the structure is obtained by multimode coupling, and the resonance mechanism of the structure was analyzed by multipole scattering theory. By analyzing the electric field distribution of the structure, the physical mechanism of analogous EIT generation of the structure is obtained. The influence of the structure parameters on analogous EIT phenomena is further analyzed. By comparing the measured results with the calculated results in a microwave anechoic chamber, the results are in good agreement. The structure has potential applications in multiband filter, refractive index sensor, and microwave devices.