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Published Online May 25, 2006
Science DOI: 10.1126/science.1126493

Reports

Submitted on February 21, 2006
Accepted on April 26, 2006

Optical Conformal Mapping

Ulf Leonhardt 1*

1 School of Physics and Astronomy, University of St Andrews, North Haugh, St Andrews KY16 9SS, Scotland.

* To whom correspondence should be addressed.
Ulf Leonhardt , E-mail: ulf{at}st-andrews.ac.uk

An invisibility device should guide light around an object as if nothing were there, regardless of where the light comes from. Ideal invisibility devices are impossible due to the wave nature of light. This paper develops a general recipe for the design of media that create perfect invisibility within the accuracy of geometrical optics. The imperfections of invisibility can be made arbitrarily small to hide objects that are much larger than the wavelength. Using modern metamaterials, practical demonstrations of such devices may be possible. The method developed here can be also applied to escape detection by other electromagnetic waves or sound.


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Science. ISSN 0036-8075 (print), 1095-9203 (online)