Abstract

Using the method of autonomous blocks with Floquet channels (FAB), the boundary value problem of diffraction for metasurfaces made of rectangular graphene nanoribbons is solved. The descriptor (conductivity matrix Y) of the FAB (metasurface unit cell) is determined from the solution of the diffraction problem by the Galerkin projection method. The results of calculating the frequency dependences of transmittance of TEM-wave through metasurfaces with changes in the structure period, chemical potential, orientation angle of the electric field vector of the incident TEM-wave to graphene nanoribbons, as well as polarization characteristics in the THz frequency range were obtained.

中文翻译：

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太赫兹频率范围内电磁波在石墨烯超表面上的衍射

摘要

利用带有Floquet通道的自治块（FAB）方法，解决了由矩形石墨烯纳米带制成的超表面的衍射边值问题。FAB（超表面晶胞）的描述符（电导率矩阵Y ）是通过伽辽金投影法求解衍射问题来确定的。计算超表面的TEM波透过率随结构周期、化学势、入射TEM波对石墨烯纳米带的电场矢量方向角的变化以及太赫兹偏振特性的变化的结果获得了频率范围。