Restricted equivalence of paired epsilon–negative and mu–negative layers to a negative phase–velocity material (aliasleft–handed material)

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Restricted equivalence of paired epsilon–negative and mu–negative layers to a negative phase–velocity material (alias left–handed material)

The time–harmonic electromagnetic responses of (a) a bilayer made of an epsilon–negative layer and a mu– negative layer, and (b) a single layer of a negative phase–velocity material are compared. Provided all layers are electrically thin, a restricted equivalence between (a) and (b) exists. The restricted equivalence depends on the linear polarization state and the transverse wavenumber. Implic...

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A ug 2 00 3 Restricted equivalence of paired epsilon – negative and mu – negative layers to a negative phase – velocity material ( alias left – handed material )

The time–harmonic electromagnetic responses of (a) a bilayer made of an epsilon–negative layer and a mu–negative layer, and (b) a single layer of a negative phase– velocity material are compared. Provided all layers are electrically thin, a restricted equivalence between (a) and (b) exists. The restricted equivalence depends on the linear polarization state and the transverse wavenumber. Implic...

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. cl as s - ph ] 2 8 A ug 2 00 3 Restricted equivalence of paired epsilon – negative and mu – negative layers to a negative phase – velocity material ( alias left – handed material )

The time–harmonic electromagnetic responses of (a) a bilayer made of an epsilon–negative layer and a mu–negative layer, and (b) a single layer of a negative phase– velocity material are compared. Provided all layers are electrically thin, a restricted equivalence between (a) and (b) exists. The restricted equivalence depends on the linear polarization state and the transverse wavenumber. Implic...

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Computational multiscale modelling of heterogeneous material layers

A computational homogenization procedure for a material layer that possesses an underlying heterogeneous microstructure is introduced within the framework of finite deformations. The macroscopic material properties of the material layer are obtained from multiscale considerations. At the macro level, the layer is resolved as a cohesive interface situated within a continuum, and its underlying m...

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A negative permeability material at red light.

A negative permeability in a periodic array of pairs of thin silver strips is demonstrated experimentally for two distinct samples. The effect of the strip surface roughness on negative permeability is evaluated. The first sample, Sample A, is fabricated of thinner strips with a root mean square roughness of 7 nm, while Sample B is made of thicker strips with 3-nm roughness. The real part of pe...

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ژورنال

عنوان ژورنال: Optik

سال: 2003

ISSN: 0030-4026

DOI: 10.1078/0030-4026-00266