Sat, 26 Jul 2008 00:38:37 BST CiteULike: norris Guenneau http://www.citeulike.org/user/norris/author/Guenneau CiteULike.org en-gb Copyright © 2004-2008 citeulike.org http://www.citeulike.org/user/norris/article/1880980 <i>New J. Phys., Vol. 9, No. 11. (November 2007), 399.</i> Acoustic metamaterials for sound focusing and confinement Sébastien Guenneau Alexander Movchan Gunnar Pétursson Anantha Ramakrishna doi:10.1088/1367-2630/9/11/399 New J. Phys., Vol. 9, No. 11. (November 2007), 399. 2007-11-07T20:44:54-00:00 2007 New J. Phys. 1367-2630 9 11 399 Institute of Physics Publishing cloaking metamaterial http://www.citeulike.org/user/norris/article/2363216 <i>Opt. Lett., Vol. 32, No. 9. (1 May 2007), pp. 1069-1071.</i><br /><br />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 [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. Electromagnetic analysis of cylindrical invisibility cloaks and the mirage effect Frédéric Zolla Sébastien Guenneau André Nicolet JB Pendry Opt. Lett., Vol. 32, No. 9. (1 May 2007), pp. 1069-1071. 2008-02-11T16:16:10-00:00 2007 Opt. Lett. 32 9 1069 1071 OSA cloaking metamaterial