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|Title:||Broadband invisibility by non-Euclidean cloaking|
|Authors:||Leonhardt, U. |
|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.|
|Appears in Collections:||Staff Publications|
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