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A simplified analytical approach to calculation of the electromagnetic behavior of left-handed metamaterials with a graded refractive index profile
KTH, School of Engineering Sciences (SCI), Theoretical Physics.
2007 (English)In: SCIENCE OF SINTERING, ISSN 0350-820X, Vol. 39, no 2, 185-191 p.Article in journal (Refereed) Published
Abstract [en]

We investigated the spectral properties of a new class of nanostructured artificial composite materials with tailored electromagnetic response, i.e. negative refractive index materials, also known as "left-handed" metamaterials. We analyzed structures incorporating both ordinary positive index media and negative refractive index metamaterials where the interface may be graded to art arbitrary degree. Utilizing a modified version of the Rosen-Morse function, we derived analytical expressions for the field intensity and spectral reflection and transmission through a graded interface between positive and negative index materials. We compared our results to numerical solutions obtained using the transfer matrix technique.

Place, publisher, year, edition, pages
2007. Vol. 39, no 2, 185-191 p.
Keyword [en]
electromagnetic metamaterials, double negative materials, left-handed metamaterials, LHM, gradient index profile
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:kth:diva-37434DOI: 10.2298/SOS0702185DISI: 000250690700011Scopus ID: 2-s2.0-65149101500OAI: oai:DiVA.org:kth-37434DiVA: diva2:435131
Note

QC 20110817

Available from: 2011-08-17 Created: 2011-08-11 Last updated: 2016-12-09Bibliographically approved

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