Anomalous scattering-induced circular dichroism in continuously shaped metasurface

Document Type

Article

Publication Date

1-1-2017

Abstract

The interconnection of polarization and phase in electromagnetic scattering process has attracted both fundamental and practical interest. Here we propose the principle and experimental demonstration of a scattering- control mechanism based on the simultaneous control of polarization and phase via a continuously shaped planar metasurface. Under circularly polarized illumination, the scattering is redirected to off-specular direction, leading to significant reduction of the scattering cross section. Theoretical investigation shows that the underlying physical mechanism is the spin-dependent phase modulation in the anisotropic scattering process. Our approach would provide valuable guidance for the full control of electromagnetic wave for diverse applications.

Identifier

85016108277 (Scopus)

Publication Title

Guangdian Gongcheng Opto Electronic Engineering

External Full Text Location

https://doi.org/10.3969/j.issn.1003-501X.2017.01.009

ISSN

1003501X

First Page

87

Last Page

91

Issue

1

Volume

44

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