Invisibility cloaking without superluminal propagation

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Authors

PERCZEL Janos TYC Tomáš LEONHARDT Ulf

Year of publication 2011
Type Article in Periodical
Magazine / Source New Journal of Physics
MU Faculty or unit

Faculty of Science

Citation
Web http://iopscience.iop.org/1367-2630/13/8/083007
Doi http://dx.doi.org/10.1088/1367-2630/13/8/083007
Field Optics, masers and lasers
Keywords invisible cloaking; transformation optics; subluminal propagation
Description Conventional cloaking based on Euclidean transformation optics requires that the speed of light should tend to infinity on the inner surface of the cloak. Non-Euclidean cloaking still needs media with superluminal propagation. Here we show by giving an example that this is no longer necessary.
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