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Journal of the Optical Society of America A

Journal of the Optical Society of America A


  • Editor: Franco Gori
  • Vol. 29, Iss. 1 — Jan. 1, 2012
  • pp: 124–129

Approaches to achieve broadband optical transformation devices with transmuted singularity

Yungui Ma, Fei Sun, Yuan Zhang, Yi Jin, and Chongkim Ong  »View Author Affiliations

JOSA A, Vol. 29, Issue 1, pp. 124-129 (2012)

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Many optical instruments with dielectric singularities cannot be manufactured directly. Their singularities can be transmuted through optical transformation, and equivalent physical media can be built to perform the same optical behaviors. The transformed physical media are usually anisotropic and inhomogeneous and, therefore, difficult to fabricate. In this work, several mathematical approaches are proposed to produce a transformed lens with all the elements of the material tensors to be no less than unity. This increases the ease of implementation, as natural materials may be used, which substantially widens the bandwidth of the transformed devices. Although we focus on an omnidirectional retroreflection lens as an example, the approaches developed here are universal and applicable to a wide class of devices with dielectric singularities.

© 2012 Optical Society of America

OCIS Codes
(110.2760) Imaging systems : Gradient-index lenses
(220.3630) Optical design and fabrication : Lenses
(350.6980) Other areas of optics : Transforms
(230.3205) Optical devices : Invisibility cloaks

ToC Category:
Optical Design and Fabrication

Original Manuscript: September 9, 2011
Revised Manuscript: October 30, 2011
Manuscript Accepted: October 31, 2011
Published: December 23, 2011

Yungui Ma, Fei Sun, Yuan Zhang, Yi Jin, and Chongkim Ong, "Approaches to achieve broadband optical transformation devices with transmuted singularity," J. Opt. Soc. Am. A 29, 124-129 (2012)

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