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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 18, Iss. 20 — Sep. 27, 2010
  • pp: 21419–21426

A chirality switching device designed with transformation optics

Yuan Shen, Kun Ding, Wujiong Sun, and Lei Zhou  »View Author Affiliations


Optics Express, Vol. 18, Issue 20, pp. 21419-21426 (2010)
http://dx.doi.org/10.1364/OE.18.021419


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Abstract

Based on transformation optics theory, we designed a chirality switching device, such that an object hidden inside would exhibit a reversed chirality (i.e., from left-handedness to right-handedness) for an observer at the far field. Distinct from a perfect mirror which also creates a chirality-reversed image, our device makes the original object completely invisible to the far field observer. Numerical simulations are employed to demonstrate the functionalities of the designed devices in both two- and three-dimensional spaces.

© 2010 OSA

OCIS Codes
(230.0230) Optical devices : Optical devices
(260.2110) Physical optics : Electromagnetic optics
(160.3918) Materials : Metamaterials

ToC Category:
Physical Optics

History
Original Manuscript: August 5, 2010
Revised Manuscript: September 2, 2010
Manuscript Accepted: September 16, 2010
Published: September 23, 2010

Citation
Yuan Shen, Kun Ding, Wujiong Sun, and Lei Zhou, "A chirality switching device designed with transformation optics," Opt. Express 18, 21419-21426 (2010)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-18-20-21419


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References

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  19. All lengths are rescaled by the working wavelengths taken in the simulations.
  20. Here the shape of device is shown only for identifying the position.
  21. The directional source is formed by an array of 6 × 6 line sources (with lattice constant 0.5.). The pumping fields of these sources are chosen as 
(+1−1+1−1+1−1+1−2+2−2+2−1+1−2+4−4+2−1+1−2+4−4+2−1+1−2+2−2+2−1+1−1+1−1+1−1)
  22. The point source consists of three mutually orthogonal antennae, with pumping fields carefully adjusted to ensure that the resultant radiation pattern in free space exhibits a spherical symmetry.

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