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Cylindrical electromagnetic concentrator with only axial constitutive parameter spatially variant |
JOSA B, Vol. 28, Issue 6, pp. 1573-1577 (2011)
http://dx.doi.org/10.1364/JOSAB.28.001573
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Abstract
A type of electromagnetic concentrator with radial and tangential constitutive parameters as constants is proposed. Only the z component of the constitutive tensor is spatially variant, and all the constitutive parameters are nonsingular and positive, which makes it possible to construct it with two-dimensional (2D) metamaterials. The effects of loss and perturbations of parameters on the performance of the concentrator are also investigated. Finally, a simplified concentrator suitable for the case that is not sensitive to the omnidirectional scattering field is proposed. This study provides a feasible method for the fabrication of a 2D electromagnetic concentrator.
© 2011 Optical Society of America
OCIS Codes
(160.1190) Materials : Anisotropic optical materials
(230.0230) Optical devices : Optical devices
(260.2110) Physical optics : Electromagnetic optics
(160.3918) Materials : Metamaterials
(260.2710) Physical optics : Inhomogeneous optical media
ToC Category:
Optical Devices
History
Original Manuscript: December 9, 2010
Revised Manuscript: May 4, 2011
Manuscript Accepted: May 4, 2011
Published: May 27, 2011
Citation
Kuang Zhang, Qun Wu, Jia-Hui Fu, and Le-Wei Li, "Cylindrical electromagnetic concentrator with only axial constitutive parameter spatially variant," J. Opt. Soc. Am. B 28, 1573-1577 (2011)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-28-6-1573
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