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Proceedings Paper

Invisibility cloaking in the diffusive-light limit (presentation video)
Author(s): Robert Schittny; Muamer Kadic; Martin Wegener
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Paper Abstract

Albert Einstein’s theory of relativity imposes stringent limitations to making macroscopic objects invisible with respect to electromagnetic light waves propagating in vacuum. These limitations are not relevant though for propagation of light in diffusive media like fog or milk because the effective energy speed is significantly lower than in vacuum due to multiple scattering events. Here, by exploiting the close mathematical analogy between the electrostatic or near-field limit of optics on the one hand and light diffusion on the other hand, we design, fabricate, and characterize simple core-shell cloaking structures for diffusive light propagation in cylindrical and spherical geometry.

Paper Details

Date Published: 12 November 2014
PDF: 1 pages
Proc. SPIE 9160, Metamaterials: Fundamentals and Applications 2014, 91602F (12 November 2014); doi: 10.1117/12.2060533
Show Author Affiliations
Robert Schittny, Karlsruher Institut für Technologie (Germany)
Muamer Kadic, Karlsruher Institut für Technologie (Germany)
Martin Wegener, Karlsruher Institut für Technologie (Germany)

Published in SPIE Proceedings Vol. 9160:
Metamaterials: Fundamentals and Applications 2014
Nader Engheta; Mikhail A. Noginov; Nikolay I. Zheludev, Editor(s)

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