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.

引用

页数：9

共 20 条

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[2] Chiral Dichroism in Resonant Metasurfaces with Monoclinic Lattices
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[3] Effective Response of Metasurfaces: From Periodical to Random Structures
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[4] Homogenization for inertial particles in a random flow
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[6] Broadband Terahertz Characterization and Electromagnetic Models for Fishnet Metasurfaces: From the Homogenization to the Resonant Regime
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[7] Nonlocal homogenization of an array of cubic particles made of resonant rings
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不详
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[8] Homogenization of a random mixture of identically oriented superspheroidal particles
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[9] Passage of a monomer through a nonrigid periodical substrate formed by noninteracting particles
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[10] A planar dipole array formed by small resonant particles
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