Publication details

Visual defects when extending two-dimensional invisible lenses with circular symmetry into the third dimension

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DANNER Aaron James TYC Tomáš

Year of publication 2016
Type Article in Periodical
Magazine / Source Journal of Optics
MU Faculty or unit

Faculty of Science

Field Optics, masers and lasers
Keywords Invisible lens; invisible cylinder; transformation optics; Eaton lens
Description A common practice in the design of three-dimensional objects with transformation optics is to first design a two-dimensional object and then to simply extend the refractive index profile along the z-axis. For lenses that are transformations of free space, this technique works perfectly, but for many lenses that seem like they would work, this technique causes optical distortions. In this paper, we analyze two such cases, the invisible sphere and Eaton lens, and show photorealistically how serious such optical distortions might appear in practice.
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