等离子体元表面理论
Theory of plasmonic metasurfaces
摘要：
在本文中，我们推导出一个阻抗边界条件，以近似的光学散射效应的等离子体纳米粒子阵列安装在一个完美的导电板。我们表明，在某些谐振频率的阻抗炸毁，允许从板的散射显着减少。利用Neumann-Poincare型算子的谱性质，我们研究了阻抗对纳米颗粒几何形状和配置变化的依赖性。
英文摘要：
In this paper we derive an impedance boundary condition to approximate the optical scattering effect of an array of plasmonic nanoparticles mounted on a perfectly conducting plate. We show that at some resonant frequencies the impedance blows up, allowing for a significant reduction of the scattering from the plate. Using the spectral properties of a Neumann-Poincare type operator, we investigate the dependency of the impedance with respect to changes in the nanoparticle geometry and configuration.
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