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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 19, Iss. 21 — Oct. 10, 2011
  • pp: 20551–20556

Transformation media producing quasi-perfect isotropic emission

Paul-Henri Tichit, Shah Nawaz Burokur, and André de Lustrac  »View Author Affiliations


Optics Express, Vol. 19, Issue 21, pp. 20551-20556 (2011)
http://dx.doi.org/10.1364/OE.19.020551


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Abstract

Using the idea of wave manipulation via transformation optics, we propose a way to create a quasi-perfect isotropic emission from a directional one. The manipulation is enabled by composite metamaterials that correspond to a space stretching around the source. It is shown that the directive radiation of a plane source larger than the operating wavelength can be transformed into an isotropic one by modifying the electromagnetic properties of the space around it. A set of parameters allowing practical realization of the proposed device is defined. Numerical simulations using Finite Element Method (FEM) are performed to illustrate the proposed coordinate transformation. This idea, which consists in strongly reducing the apparent size of a radiating source, can find various applications in novel antenna design techniques.

© 2011 OSA

OCIS Codes
(160.1190) Materials : Anisotropic optical materials
(260.2110) Physical optics : Electromagnetic optics
(260.2065) Physical optics : Effective medium theory
(160.3918) Materials : Metamaterials
(260.2710) Physical optics : Inhomogeneous optical media

ToC Category:
Physical Optics

History
Original Manuscript: August 1, 2011
Revised Manuscript: September 9, 2011
Manuscript Accepted: September 9, 2011
Published: October 3, 2011

Citation
Paul-Henri Tichit, Shah Nawaz Burokur, and André de Lustrac, "Transformation media producing quasi-perfect isotropic emission," Opt. Express 19, 20551-20556 (2011)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-19-21-20551


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