Homogenization of metasurfaces formed by random resonant particles in periodical lattices

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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.
Original languageEnglish
Article number205127
JournalPhysical Review B
Volume93
Issue number20
ISSN0163-1829
DOIs
Publication statusPublished - 2016
CitationsWeb of Science® Times Cited: No match on DOI

    Research areas

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

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