journal article·2026-06-01Open access

Peculiar effective optical anisotropy of planar isotropic lattices of sub-wavelength disks

E. Bortchagovsky, F. Dai, M. Fleischer, D. R. T. Zahn

AIP Advances· Volume 16· Issue 6

Abstract

Here, we demonstrate that the peculiar effective optical properties of planar lattices of nanoparticles clearly distinguish them from those typical for bulk crystals. Particularly, on the basis of theoretical considerations and experimental results, we prove that the effective planar optical anisotropy of nominally isotropic planar lattices is defined not by their “crystallography” but by the orientation of the plane of incidence of the exciting light relative to the lattice orientation, as a result of spatial dispersion. We demonstrate that such properties of isotropic lattices of interacting nanoparticles that seem peculiar from the point of view of standard crystal optics are fundamental ones, which are clearly exhibited in the case of planar layers.
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Research context

OpenAlex topics: Plasmonic and Surface Plasmon Research · Quasicrystal Structures and Properties · Metamaterials and Metasurfaces Applications

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Institute of Semiconductor Physics of NAS of Ukraine 1 , pr. Nauki 45, Kyiv 03028,

Semiconductor Physics, Chemnitz University of Technology 2 , D-09107 Chemnitz,

Institute for Applied Physics and Center LISA+, Eberhard Karls Universität Tübingen 3 , Auf der Morgenstelle 10, D-72076 Tübingen,

Center for Materials, Architectures, and Integration of Nanomembranes (MAIN), Chemnitz University of Technology 4 , D-09107 Chemnitz,

Funding

MSCA4Ukraine From European Union · TUC Visiting Scholar Programme

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