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Conformal transformation optics

Nature Photonics volume 9, pages 15–23 (2015)Cite this article

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Abstract

The field of transformation optics shows that media containing gradients in optical properties are equivalent to curved geometries of spacetime for the propagation of light. Conformal transformation optics — a particular variant of this feature — can be used to design devices with novel functionalities from inhomogeneous, isotropic dielectric media.

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Figure 1: Conformal invisible cloaks and carpet cloaks.
Figure 2: Conformal power mapping and logarithmic mapping.
Figure 3: Möbius mapping and Schwartz–Christoffel mapping.
Figure 4: Typical refractive index profiles.

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Acknowledgements

This work was supported by the National Science Foundation of China for Excellent Young Scientists (Grant No. 61322504) and the Foundation for the Author of National Excellent Doctoral Dissertation of China (Grant No. 201217). We thank P. Ball and W. Yang for proofreading.

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  1. College of Physics, Optoelectronics and Energy, Soochow University, Suzhou, 215006, Jiangsu, China

    Lin Xu & Huanyang Chen

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Xu, L., Chen, H. Conformal transformation optics. Nature Photon 9, 15–23 (2015). https://doi.org/10.1038/nphoton.2014.307

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