Directional Control Of Scattering By All-Dielectric Core-Shell Spheres

Abstract

The optical size and intrinsic material properties of scattering particles introduce inherent restrictions on their scattering patterns. We show that large size, core-shell dielectric structures with spherical symmetry provide the necessary flexibility for exciting higher-order spherical modes and, consequently, allow us to control the directivity of the scattered radiation. Significant scattering can be generated over angular domains that were formerly believed to be accessible only to dipolar scattering.

Publication Date

2-15-2015

Publication Title

Optics Letters

Volume

40

Issue

4

Number of Pages

585-588

Document Type

Article

Personal Identifier

scopus

DOI Link

https://doi.org/10.1364/OL.40.000585

Socpus ID

84924325715 (Scopus)

Source API URL

https://api.elsevier.com/content/abstract/scopus_id/84924325715

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