Experimental study of subwavelength focusing by lefthanded metamaterials with a negative refractive index

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Experimental study of subwavelength focusing by lefthanded metamaterials with a negative refractive index.pdf (809.87 KB)

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2007

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Abstract

Two dimensional (2D) left-handed metamaterials (LHM) exhibiting negative refraction and subwavelength imaging are studied experimentally. A left-handed transmission band is observed at the frequencies where both dielectric permittivity and magnetic permeability are simultaneously negative. 2D LHM structure is verified to have a negative refractive index by measuring the refraction through a prism-shaped sample. Subwavelength focusing is observed by using a flat LHM superlens.

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Journal of Nanophotonics

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Keywords

Left-handed metamaterial, Negative refractive index, Superlens, Dielectric permittivities, Experimental studies, Left handed metamaterial, Negative refractions, Negative refractive index, Subwavelength focusing, Subwavelength imaging, Superlens, Superlenses, Transmission band, Light refraction, Magnetic permeability, Metamaterials, Refraction, Refractometers, Refractive index

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http://hdl.handle.net/11693/23263

Published Version (Please cite this version)

http://dx.doi.org/10.1117/1.2805841

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Scholarly Publications - Physics
Scholarly Publications - Electrical and Electronics Engineering

Language

English

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Article