Electromagnetic analysis of cylindrical invisibility cloaks and the mirage effect
Optics Letters, Vol. 32, Issue 9, pp. 1069-1071 (2007)
http://dx.doi.org/10.1364/OL.32.001069
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Abstract
We present a finite-element analysis of a diffraction problem involving a coated cylinder enabling the electromagnetic cloaking of a lossy object with sharp wedges located within its core. The coating consists of a heterogeneous anisotropic material deduced from a geometrical transformation as first proposed by Pendry et al. [Science 312, 1780 (2006)] . We analyze the electromagnetic response of the cloak in the presence of an electric line source in p polarization and a loop of magnetic current in s polarization. We find that the electromagnetic field radiated by such a source located a fraction of a wavelength from the cloak is perturbed by less than 1%. When the source lies in the coating, it seems to radiate from a shifted location.
© 2007 Optical Society of America
OCIS Codes
(110.4190) Imaging systems : Multiple imaging
(220.3630) Optical design and fabrication : Lenses
(260.2110) Physical optics : Electromagnetic optics
ToC Category:
Imaging Systems
History
Original Manuscript: December 22, 2006
Manuscript Accepted: December 22, 2006
Published: April 3, 2007
Citation
Frédéric Zolla, Sébastien Guenneau, André Nicolet, and J. B. Pendry, "Electromagnetic analysis of cylindrical invisibility cloaks and the mirage effect," Opt. Lett. 32, 1069-1071 (2007)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-32-9-1069
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