Homogenization of metasurfaces formed by random resonant particles in periodical lattices

被引：24
作者：
Andryieuski, Andrei [1 ]
Lavrinenko, Andrei V. [1 ]
Petrov, Mihail [2 ]
Tretyakov, Sergei A. [3 ]
机构：
[1] Tech Univ Denmark, DTU Foton, Orsteds Plads 343, DK-2800 Lyngby, Denmark
[2] ITMO Univ, IRC Nanophoton & Metamat, Birjevaja Line VO 14, St Petersburg 199034, Russia
[3] Aalto Univ, Dept Radio Sci & Engn, POB 13000, FI-00076 Aalto, Finland
来源：
PHYSICAL REVIEW B | 2016年 / 93卷 / 20期
关键词：
OPTICAL METAMATERIALS;
D O I：
10.1103/PhysRevB.93.205127
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In this paper we suggest a simple analytical method for description of electromagnetic properties of a geometrically regular two-dimensional subwavelength arrays (metasurfaces) formed by particles with randomly fluctuating polarizabilities. We propose an analytical homogenization method applicable for normal wave incidence on particle arrays with dominating electric dipole responses and validate it with numerical point-dipole modeling using the supercell approach. We demonstrate that fluctuations of particle polarizabilities lead to increased diffuse scattering despite the subwavelength lattice constant of the array.
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页数：9
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