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Journal of the Optical Society of America A

Journal of the Optical Society of America A

| OPTICS, IMAGE SCIENCE, AND VISION

  • Editor: Franco Gori
  • Vol. 27, Iss. 9 — Sep. 1, 2010
  • pp: 1994–1998

Electromagnetic concentrators with arbitrary geometries based on Laplace’s equation

Chengfu Yang, Jingjing Yang, Ming Huang, Jinhui Peng, and Wenwei Niu  »View Author Affiliations


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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