Science of Sintering 2007 Volume 39, Issue 2, Pages: 185-191
doi:10.2298/SOS0702185D
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A simplified analytical approach to calculation of the electromagnetic behavior of left-handed metamaterials with a graded refractive index profile

Dalarsson N., Maksimović M., Jakšić Z.

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 an 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. .

Keywords: electromagnetic metamaterials, double negative materials, left-handed metamaterials, LHM, gradient index profile

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