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Journal of the Optical Society of America A

Journal of the Optical Society of America A


  • Editor: Franco Gori
  • Vol. 30, Iss. 8 — Aug. 1, 2013
  • pp: 1698–1702

Design and rigorous analysis of transformation-optics scaling devices

Wei Xiang Jiang, Bai Bing Xu, Qiang Cheng, Tie Jun Cui, and Guan Xia Yu  »View Author Affiliations

JOSA A, Vol. 30, Issue 8, pp. 1698-1702 (2013)

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Scaling devices that can shrink or enlarge an object are designed using transformation optics. The electromagnetic scattering properties of such scaling devices with anisotropic parameters are rigorously analyzed using the eigenmode expansion method. If the radius of the virtual object is smaller than that of the real object, it is a shrinking device with positive material parameters; if the radius of the virtual object is larger than the real one, it is an enlarging device with positive or negative material parameters. Hence, a scaling device can make a dielectric or metallic object look smaller or larger. The rigorous analysis shows that the scattering coefficients of the scaling devices are the same as those of the equivalent virtual objects. When the radius of the virtual object approaches zero, the scaling device will be an invisibility cloak. In such a case, the scattering effect of the scaling device will be sensitive to material parameters of the device.

© 2013 Optical Society of America

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

ToC Category:

Original Manuscript: May 14, 2013
Manuscript Accepted: July 3, 2013
Published: July 29, 2013

Wei Xiang Jiang, Bai Bing Xu, Qiang Cheng, Tie Jun Cui, and Guan Xia Yu, "Design and rigorous analysis of transformation-optics scaling devices," J. Opt. Soc. Am. A 30, 1698-1702 (2013)

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