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Optical Properties of Metal Wire Array Composites

Published online by Cambridge University Press:  10 February 2011

Laura Luo and
T. E. Huber
Laura Luo
Affiliation:
Department of Applied Mathematics and Physics, Polytechnic University, Brooklyn, NY 11201
T. E. Huber
Affiliation:
Department of Applied Mathematics and Physics, Polytechnic University, Brooklyn, NY 11201
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Abstract

According to effective medium theories, electrically conducting composites consisting of parallel metal wires embedded in a transparent dielectric can propagate light in the direction of the wire length. We have prepared densely packed arrays (76% volume fraction) of 10-μm diameter indium wires by high pressure injection of glass microchannel plates. For wavelengths longer than 100 μm (k<100 cm−1) the absorption of the wire array is almost three orders of magnitude smaller than that of an indium foil of equal thickness. The measured absorption increases as k0.45±0.07 and can be accounted for by including magnetic dipole effects.

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Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 457: Symposium V – Nanophase and Nanocomposite Materials II , 1996, 237
Copyright
Copyright © Materials Research Society 1997

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