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Preprint article · Journal article

Homogenization of metasurfaces formed by random resonant particles in periodical lattices

By Andryieuski, Andrei1; Lavrinenko, Andrei2,3; Petrov, Mihail4; Tretyakov, Sergei A.5

From

Nanophotonics, Department of Photonics Engineering, Technical University of Denmark1

Department of Photonics Engineering, Technical University of Denmark2

Metamaterials, Department of Photonics Engineering, Technical University of Denmark3

St. Petersburg National Research University of Information Technologies, Mechanics and Optics (ITMO)4

Aalto University5

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.

Language: English
Year: 2016
Pages: 10
ISSN: 24699969 , 24699950 , 1550235x , 10980121 and 01631829
Types: Preprint article and Journal article
DOI: 10.1103/PhysRevB.93.205127
ORCIDs: Andryieuski, Andrei and Lavrinenko, Andrei
Keywords

Condensed Matter Physics Electronic, Optical and Magnetic Materials METAMATERIAL ABSORBER OPTICAL METAMATERIALS PHYSICS, physics.optics

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