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|Title:||Broadband invisibility by non-Euclidean cloaking||Authors:||Leonhardt, U.
|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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