Negative phase velocity in isotropic dielectric-magnetic media via homogenization: Part II

✍ Scribed by Akhlesh Lakhtakia; Tom G. Mackay

• Publisher: John Wiley and Sons
• Year: 2006
• Tongue: English
• Weight: 106 KB
• Volume: 48
• Category: Article
• ISSN: 0895-2477
• DOI: 10.1002/mop.21451

✦ Synopsis

Abstract

The scope for negative‐phase‐velocity (NPV) propagation in a particulate composite material, based upon isotropic dielectric‐magnetic constituent material phases which do not themselves support NPV propagation, is examined using the extended Bruggeman homogenization formalism. Unlike the conventional Bruggeman formalism, the extended formalism takes into account the dimensions of the constituent particles. Representative calculations show that increasing the particulate dimensions diminishes the scope for NPV propagation in the composite material. © 2006 Wiley Periodicals, Inc. Microwave Opt Technol Lett 48: 709–712, 2006; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.21451.