Metal selection for wire array metamaterials for infrared frequencies

We analyze the dependence of the electromagnetic properties of wire array metamaterial media on the choice of metal, and identify promising material combinations for use in the near and mid infrared. We propose a figure of merit for the metal optical quality and consider it as a function of several...

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Published inOptics express Vol. 23; no. 23; pp. 29867 - 29881
Main Authors Hayashi, Juliano G, Fleming, Simon, Kuhlmey, Boris T, Argyros, Alexander
Format Journal Article
LanguageEnglish
Published United States 16.11.2015
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Summary:We analyze the dependence of the electromagnetic properties of wire array metamaterial media on the choice of metal, and identify promising material combinations for use in the near and mid infrared. We propose a figure of merit for the metal optical quality and consider it as a function of several parameters, such as material loss, wavelength of operation and wire diameter. Accordingly, we select promising material combinations, based on optical quality and fabrication compatibility, and simulate the loss of the quasi-TEM mode, for different wavelengths between 1 and 10 μm. We conclude that wire arrays are unlikely to deliver on their many promises at 1 μm, but should prove useful beyond 3 μm.
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ISSN:1094-4087
1094-4087
DOI:10.1364/OE.23.029867