Metamaterials and Negative Refractive Index

D. R. Smith, J. B. Pendry, and M. C. K. Wiltshire

Abstract:

Recently, artificially constructed metamaterials have become of considerable interest, as these materials can exhibit electromagnetic characteristics unlike any conventional materials. Artificial magnetism and negative refractive index are two specific types of behavior that have been demonstrated over the past few years, illustrating the new physics and new applications possible when we expand our view as to what constitutes a material. In this review, we describe recent advances in metamaterials research, and discuss the potential that these materials may hold for realizing new and seemingly exotic electromagnetic phenomena.

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last updated Tuesday 17 August 2004 by JBP