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Advances in OptoElectronics
Volume 2012 (2012), Article ID 267564, 6 pages
http://dx.doi.org/10.1155/2012/267564
Research Article

Homogeneous Hyperbolic Systems for Terahertz and Far-Infrared Frequencies

1Electrical and Computer Engineering Department, Purdue University, West Lafayette, IN 47907, USA
2Department of Physics, Oregon State University, Corvallis, OR 97331, USA
3Department of Physics and Applied Physics, University of Massachusetts Lowell, Lowell, MA 01854, USA

Received 11 June 2012; Accepted 3 August 2012

Academic Editor: Pavel A. Belov

Copyright © 2012 Leonid V. Alekseyev et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

We demonstrate that homogeneous naturally-occurring materials can form hyperbolic media, and can be used for nonmagnetic negative refractive index systems. We present specific realizations of the proposed approach for the THz and far-IR frequencies. The proposed structures operate away from resonance, thereby promising the capacity for low-loss devices.