General Relativistic Contributions in Transformation Optics

Details General Relativistic Contributions in Transformation Optics General Relativistic Contributions in Transformation Optics

2011-02-08

arxiv.org/abs/1102.1512v2

Journal of Optics 14, 015102 (2012)

Physics

Optics

14 pages, 3 figures. Latest version has expanded analysis, corresponds to published version

Scientific paper

10.1088/2040-8978/14/1/015102

One potentially realistic specification for devices designed with transformation optics is that they operate with high precision in curved space-time, such as Earth orbit. This raises the question of what, if any, role does space-time curvature play in determining transformation media? Transformation optics has been based on a three-vector representation of Maxwell's equations in flat Minkowski space-time. I discuss a completely covariant, manifestly four-dimensional approach that enables transformations in arbitrary space-times, and demonstrate this approach for stable circular orbits in the spherically symmetric Schwarzschild geometry. Finally, I estimate the magnitude of curvature induced contributions to satellite-borne transformation media in Earth orbit and comment on the level of precision required for metamaterial fabrication before such contributions become important.

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