Broadband Invisibility by Non-Euclidean Cloaking
Top Cited Papers
- 2 January 2009
- journal article
- research article
- Published by American Association for the Advancement of Science (AAAS) in Science
- Vol. 323 (5910), 110-112
- 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.Keywords
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