Negative phase advance in polarization independent, multi-layer negative-index metamaterials

Koray Aydin; Li Zhaofeng; Levent Sahin; Ekmel Ozbay

doi:10.1364/OE.16.008835

Negative phase advance in polarization independent, multi-layer negative-index metamaterials

Koray Aydin^*, Li Zhaofeng, Levent Sahin, Ekmel Ozbay

^*Corresponding author for this work

Electrical and Computer Engineering

Research output: Contribution to journal › Article › peer-review

49 Scopus citations

Abstract

We demonstrate a polarization independent negative-index metamaterial (NIM) at microwave frequencies. Transmission measurements and simulations predict a left-handed transmission band with negative permittivity and negative permeability. A negative-index is verified by using the retrieval procedure. Effective parameters of single-layer and twolayer NIMs are shown to be different. Negative phase advance is verified within the negative-index regime by measuring the phase shift between different sized negative-index metamaterials. Backward wave propagation is observed in the numerical simulations at frequencies where the phase advance is negative.

Original language	English (US)
Pages (from-to)	8835-8844
Number of pages	10
Journal	Optics Express
Volume	16
Issue number	12
DOIs	https://doi.org/10.1364/OE.16.008835
State	Published - Jun 9 2008

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics

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abstract = "We demonstrate a polarization independent negative-index metamaterial (NIM) at microwave frequencies. Transmission measurements and simulations predict a left-handed transmission band with negative permittivity and negative permeability. A negative-index is verified by using the retrieval procedure. Effective parameters of single-layer and twolayer NIMs are shown to be different. Negative phase advance is verified within the negative-index regime by measuring the phase shift between different sized negative-index metamaterials. Backward wave propagation is observed in the numerical simulations at frequencies where the phase advance is negative.",

author = "Koray Aydin and Li Zhaofeng and Levent Sahin and Ekmel Ozbay",

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AU - Zhaofeng, Li

AU - Sahin, Levent

AU - Ozbay, Ekmel

PY - 2008/6/9

Y1 - 2008/6/9

N2 - We demonstrate a polarization independent negative-index metamaterial (NIM) at microwave frequencies. Transmission measurements and simulations predict a left-handed transmission band with negative permittivity and negative permeability. A negative-index is verified by using the retrieval procedure. Effective parameters of single-layer and twolayer NIMs are shown to be different. Negative phase advance is verified within the negative-index regime by measuring the phase shift between different sized negative-index metamaterials. Backward wave propagation is observed in the numerical simulations at frequencies where the phase advance is negative.

AB - We demonstrate a polarization independent negative-index metamaterial (NIM) at microwave frequencies. Transmission measurements and simulations predict a left-handed transmission band with negative permittivity and negative permeability. A negative-index is verified by using the retrieval procedure. Effective parameters of single-layer and twolayer NIMs are shown to be different. Negative phase advance is verified within the negative-index regime by measuring the phase shift between different sized negative-index metamaterials. Backward wave propagation is observed in the numerical simulations at frequencies where the phase advance is negative.

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Negative phase advance in polarization independent, multi-layer negative-index metamaterials

Abstract

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