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A chirality switching device designed with transformation optics |
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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- All lengths are rescaled by the working wavelengths taken in the simulations.
- Here the shape of device is shown only for identifying the position.
- 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)
- 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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