Negative Refractive Index Composite Metamaterials for Microwave Technology

Abstract

2. Basic Theory of Left-Handed Light 2.1 Effective permittivity and permeability of a composite material In this chapter, the design of materials with negative refractive index, � � �, will proceed on the basis of achieving negative real parts of effective permittivity, �, and permeability, �, in a 3 www.intechopen.com Microwave and Millimeter Wave Technologies: from Photonic Bandgap Devices to Antenna and Applications 56