Please use this identifier to cite or link to this item: https://doi.org/10.1126/science.1166332
Title: Broadband invisibility by non-Euclidean cloaking
Authors: Leonhardt, U. 
Tyc, T.
Issue Date: 2-Jan-2009
Citation: Leonhardt, U., Tyc, T. (2009-01-02). Broadband invisibility by non-Euclidean cloaking. Science 323 (5910) : 110-112. ScholarBank@NUS Repository. https://doi.org/10.1126/science.1166332
Abstract: Invisibility and negative refraction are both applications of transformation optics where the material of a device performs a coordinate transformation for electromagnetic fields. The device creates the illusion that light propagates through empty flat space, whereas in physical space, light is bent around a hidden interior or seems to run backward in space or time. All of the previous proposals for invisibility require materials with extreme properties. Here we show that transformation optics of a curved, non-Euclidean space (such as the surface of a virtual sphere) relax these requirements and can lead to invisibility in a broad band of the spectrum.
Source Title: Science
URI: http://scholarbank.nus.edu.sg/handle/10635/95901
ISSN: 00368075
DOI: 10.1126/science.1166332
Appears in Collections:Staff Publications

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