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Analytical solution for wave propagation through a graded index interface between a right-handed and a left-handed material
KTH, School of Electrical Engineering (EES), Electromagnetic Engineering.
2009 (English)In: Optics Express, ISSN 1094-4087, E-ISSN 1094-4087, Vol. 17, no 8, 6747-6752 p.Article in journal (Refereed) Published
Abstract [en]

We have investigated the transmission and reflection properties of structures incorporating left-handed materials with graded index of refraction. We present an exact analytical solution to Helmholtz' equation for a graded index profile changing according to a hyperbolic tangent function along the propagation direction. We derive expressions for the field intensity along the graded index structure, and we show excellent agreement between the analytical solution and the corresponding results obtained by accurate numerical simulations. Our model straightforwardly allows for arbitrary spectral dispersion.

Place, publisher, year, edition, pages
2009. Vol. 17, no 8, 6747-6752 p.
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:kth:diva-32183DOI: 10.1364/OE.17.006747ISI: 000265108900094Scopus ID: 2-s2.0-65149100366OAI: oai:DiVA.org:kth-32183DiVA: diva2:409467
Note
QC 20110408Available from: 2011-04-08 Created: 2011-04-08 Last updated: 2017-12-11Bibliographically approved

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