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Negative Index Metamaterials with Deeply Subwavelength Structural Dimensions from Near Infrared to Visible Based on Thin Filmsββ

Published online by Cambridge University Press:  26 February 2011

Vitaliy Lomakin ,
Yeshaiahu Fainman  and
Gennady Shvets
Vitaliy Lomakin
Affiliation:
[email protected], University of California, San Diego, Department of Electrical and Computer Engineering, 9500 Gilman Drive, La Jolla, CA, 92093, United States, 858 822 4726
Yeshaiahu Fainman
Affiliation:
[email protected], University of California, San Diego, Department of Electrical and Computer Engineering, 9500 Gilman Drive, La Jolla, CA, 92093, United States
Gennady Shvets
Affiliation:
[email protected], University of Texas, Austin, Physics, Austin, CA, 78712, United States
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Abstract

Novel two and three-dimensional doubly negative metamaterials (DNM), viz. metamaterial with simultaneously negative permittivity, permeability, and index of refraction, are introduced. The metamaterials comprise deeply subwavelength periodic unit cells, can be tuned to operate in the near infra-red and visible spectra, and can be manufactured using standard nanofabrication methods with compatible materials. The DNMs' unit cell comprises an optically thin metal film sandwiched between two thin metal strips or patches residing at a small distance from the film. The cavity formed between the strips or patches supports resonances with magnetic and electric response that can be tuned to exist in overlapping frequency bands thus leading to the DNM operation.

Keywords

thin filmoptical propertiesnanostructure
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 964: Symposium R – Meta-Materials at the Milli-, Micro-, and Nanoscale , 2006 , 0964-R02-04
Copyright
Copyright © Materials Research Society 2007

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