Plane-wave scattering by self-complementary metasurfaces in terms of electromagnetic duality and Babinet's principle
Plane-wave scattering by self-complementary metasurfaces in terms of electromagnetic duality and Babinet's principle
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DOI：
10.1103/physrevb.88.205138
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发表时间：
2013-11
影响因子：
3.7
通讯作者：
Y. Nakata;Y. Urade;T. Nakanishi;M. Kitano
中科院分区：
文献类型：
--
作者：
Y. Nakata;Y. Urade;T. Nakanishi;M. Kitano
本文从理论上研究了自互补超颖表面的电磁平面波散射。通过使用巴比涅原理扩展到元表面与电阻元件，我们表明，频率无关的传输和反射实现垂直入射到一个自互补元表面上的圆偏振平面波，即使有衍射。接下来，我们考虑两类特殊的自互补元表面。我们发现，自互补的超颖表面与旋转对称可以作为相干的完美吸收体，和那些平移对称兼容的自互补可以分裂的入射功率相等，即使是斜入射。
We investigate theoretically electromagnetic plane-wave scattering by self-complementary metasurfaces. By using Babinet’s principle extended to metasurfaces with resistive elements, we show that the frequencyindependent transmission and reflection are realized for normal incidence of a circularly polarized plane wave onto a self-complementary metasurface, even if there is diffraction. Next, we consider two special classes of self-complementary metasurfaces. We show that self-complementary metasurfaces with rotational symmetry can act as coherent perfect absorbers, and those with translational symmetry compatible with their self-complementarity can split the incident power equally, even for oblique incidences.