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Lossy gradient index metamaterial with sinusoidal periodicity of refractive index: case of constant impedance throughout the structure
KTH, School of Electrical Engineering (EES), Electromagnetic Engineering.
KTH, School of Electrical Engineering (EES), Electromagnetic Engineering.ORCID iD: 0000-0001-9241-8030
2011 (English)In: J NANOPHOTONICS, ISSN 1934-2608, Vol. 5, 051804- p.Article in journal (Refereed) Published
Abstract [en]

We used an exact analytical approach to investigate the electromagnetic wave propagation across an isotropic metamaterial composite with i. a sinusoidally periodic gradient of the real parts of the effective permittivity and permeability, ii. spatially uniform imaginary parts of the effective permittivity and permeability, and iii. spatially uniform impedance. The real part of the effective refractive index can be positive and negative along the direction of nonhomogeneity. A remarkably simple direct solution for the field distribution was obtained.

Place, publisher, year, edition, pages
2011. Vol. 5, 051804- p.
Keyword [en]
metamaterials, negative refractive index, wave propagation, exact analytic solution, gradient refractive index photonics
National Category
Other Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:kth:diva-34219DOI: 10.1117/1.3590251ISI: 000290614300004Scopus ID: 2-s2.0-80755125426OAI: oai:DiVA.org:kth-34219DiVA: diva2:422645
Note
QC 20110613Available from: 2011-06-13 Created: 2011-05-30 Last updated: 2011-06-13Bibliographically approved

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Norgren, Martin

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