两层圆形石墨烯壳中的等离子体共振

2016 9th International Kharkiv Symposium on Physics and Engineering of Microwaves, Millimeter and Submillimeter Waves (MSMW) Pub Date : 2016-06-20 DOI:10.1109/MSMW.2016.7538114

E. Velichko, A. Nickolaenko

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引用次数: 0

摘要

我们研究了由太赫兹范围内的h偏振平面波驱动的两个同心圆柱形石墨烯壳的表面和体积共振。模型推导了薄石墨烯壳层在阻抗边界条件下的波散射解析解。考虑石墨烯位于自由空间和介电管的内外两侧的情况。给出了归一化散射和吸收截面的光谱以及目标附近场的空间分布。这揭示了分离介质管中表面等离子体与本征波的混合共振。

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Plasmon resonances in two-layered circular graphene shells

We address surface and volume resonance in two concentric cylindrical graphene shells driven by the H-polarized plane wave of the THz range. Modeling implies analytical solution of the wave scattering in presence of impedance boundary conditions at thin graphene shells. Cases are considered of graphene positioned in the free space and at the inner and outer sides of a dielectric tube. Spectra of normalized scatter and absorption cross-sections are presented together with the spatial distributions of the field in the vicinity of object. These reveal hybrid resonance of surface plasmons and the eigen-waves in separating dielectric tube.

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2016 9th International Kharkiv Symposium on Physics and Engineering of Microwaves, Millimeter and Submillimeter Waves (MSMW)

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