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Light propagation in the cloak, for waves and for rays, with and without the mirror
Presented Thursday, March 18, 2010
School of Physical Science and Technology
Suzhou, Jiangsu 215006
Institute of Theoretical Physics and Astrophysics
Kotlarska 2, 61137 Brno
C. T. Chan
Department of Physics
The Hong Kong University of Science and Technology
Clear Water Bay
Hong Kong, China
School of Physics and Astronomy, ,
University of St Andrews
North Haugh, St Andrews KY16 9SS
Non-Euclidean cloaking was recently proposed, which may be broadband as the coordinate transformation is non-singular. Such a cloak has initially been designed for the regime of geometrical optics (see in (b) without the mirror and (d) with it). We numerically show that the cloaking device can even function in extreme wave optics when the frequencies for which the device works perfectly are quantized related to the spherical harmonics (see in (a) without the mirror and (c) with it). For details, please refer to Refs.  and .
 "Broadband invisibility by non-Euclidean cloaking", by U.Leonhardt, et al., Science 323, 110 (2009).
 "Non-Euclidean cloaking for light waves", by T.Tyc, et al.
Reporters may freely use this image as long as they include the following credit: "Image courtesy of H.Y.Chen/Soochow Uni. and U.Leonhardt/University of St Andrews".
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