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HL: Fachverband Halbleiterphysik

HL 2: Invited Talk Wegener

HL 2.1: Invited Talk

Monday, March 26, 2007, 09:15–10:00, H15

Metamaterials: Magnetism enters photonics — •Martin Wegener — DFG-Center for Functional Nanostructures (CFN), Universität Karlsruhe (TH),

Light is an electromagnetic wave. Nevertheless, for centuries, the field of optics & photonics has been determined exclusively by the electric-field component of light - magnetism at optical frequencies does not occur in natural materials. However, artificial high-frequency magnetism can be accomplished in metamaterials composed of nanoscale sub-wavelength metallic building blocks that are densely packed into an effective material. After an introduction into this emerging field, we focus on recent experimental progress.