Symmetry and reciprocity constraints on diffraction by gratings of quasi-planar particles

Abstract

Symmetry and reciprocity constraints on polarization state of the field diffracted by gratings of quasi-planar particles are considered. It is shown that the optical activity effects observed recently in arrays of quasi-planar plasmonic particles on a dielectric substrate are due to the reflection of the field at the air-dielectric slab interface and are proportional to this reflection coefficient.

11 pages, 3 figures, 12 references; minor corrections for better appearance

References in corpus (1)

• Broken Time Reversal of Light Interaction with Planar Chiral Nanostructures

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• Substrate-Induced Chirality in an Individual Nanostructure