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Grading plasmonic nanoparticles with light

Zharov, Alexander Jr.; Zharov, Alexander; Shadrivov, Ilya; Zharova, Nina A


We introduce an approach for fine grading of plasmonic ellipsoidal nanoparticles by two interfering light beams. We consider electrically neutral subwavelength metal nanoparticles whose response is described within the dipole approximation. For the ellipsoidal nanoparticles, we find that their polarizability tensor is strongly dispersive due to the existence of two orthogonal plasmon modes. These modes can be resonantly excited by light and the optical force experienced by particles depends on...[Show more]

CollectionsANU Research Publications
Date published: 2016
Type: Journal article
Source: Physical Review A: Atomic, Molecular and Optical Physics
DOI: 10.1103/PhysRevA.93.013814
Access Rights: Open Access


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