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Mirror that does not change the phase of reflected waves

By V.A. Fedotov, A.V. Rogacheva, S.L. Prosvirnin, P.L. Mladyonov and N.I. Zheludev

Abstract

We report that electromagnetic wave reflected from a flat metallic mirror superimposed with a planar wavy metallic structure with subwavelength features that resemble "fish scales" reflects like a conventional mirror without diffraction, but shows no phase change with respect to the incident wave. Such unusual behavior resembles a reflection from a hypothetical zero refractive index material, or "magnetic wall". We also discovered that the structure acts as a local field concentrator and a resonant "amplifier" of losses in the underlying dielectric

Topics: QC
Year: 2006
OAI identifier: oai:eprints.soton.ac.uk:28692
Provided by: e-Prints Soton
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