Experimental Realization of Epsilon-Near-Zero Metamaterial Slabs with Metal-Dielectric Multilayers

Abstract

Epsilon-near-zero (ENZ) metamaterial slabs at visible frequencies based on metal-dielectric multilayers are experimentally realized. Transmission, reflection, and absorption spectra are measured and used to determine the complex refractive indices and the effective permittivities of the ENZ slabs, which agree with the results obtained from both the numerical simulations and the optical nonlocalities analysis. Furthermore, light propagation in ENZ slabs and directional emission from ENZ prisms are also analyzed. The accurate determination of the ENZ wavelength for metal-dielectric multilayer metamaterial slabs is important for realizing many unique applications, such as phase front manipulation and enhancement of photonic density of states.

Department(s)

Mechanical and Aerospace Engineering

Keywords and Phrases

Meatmaterials; Multilayers; Gold; Permittivity; Prisms; Refractive Index; Transmission Measurement; Sputter Deposition; Ozone; Materials

International Standard Serial Number (ISSN)

0003-6951

Document Type

Article - Journal

Document Version

Citation

File Type

text

Language(s)

English

Rights

© 2013 American Institute of Physics (AIP), All rights reserved.

Publication Date

01 Jan 2013

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