Electromagnetic concentrators with arbitrary geometries based on Laplace’s equation
JOSA A, Vol. 27, Issue 9, pp. 1994-1998 (2010)
http://dx.doi.org/10.1364/JOSAA.27.001994
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Abstract
Concentrators with arbitrary geometries are designed based on the numerical solution of Laplace’s equation, with which the material parameters can be independently obtained without any knowledge of the corresponding coordinate transformation. Results show that the concentrator designed using the numerical method has the same scattering and concentrating properties as that designed using the analytical method, except for a slight difference in the stretching region, which, however does not influence the design of the concentrator. The method developed in this paper is general and flexible for designing arbitrary concentrators. The validity of such a method and the concentrating effects are confirmed by full-wave simulations.
© 2010 Optical Society of America
OCIS Codes
(220.1770) Optical design and fabrication : Concentrators
(230.0230) Optical devices : Optical devices
(050.1755) Diffraction and gratings : Computational electromagnetic methods
(160.3918) Materials : Metamaterials
ToC Category:
Optical Devices
History
Original Manuscript: May 18, 2010
Revised Manuscript: July 20, 2010
Manuscript Accepted: July 20, 2010
Published: August 12, 2010
Citation
Chengfu Yang, Jingjing Yang, Ming Huang, Jinhui Peng, and Wenwei Niu, "Electromagnetic concentrators with arbitrary geometries based on Laplace’s equation," J. Opt. Soc. Am. A 27, 1994-1998 (2010)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-27-9-1994
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