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Proceedings Paper

Paraxial ray optics cloaking
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Paper Abstract

Despite much interest and progress in optical spatial cloaking, a three-dimensional (3D), transmitting, continuously multidirectional cloak in the visible regime has not yet been demonstrated. Here we experimentally demonstrate such a cloak using ray optics, albeit with some edge effects. Our device requires no new materials, uses isotropic off-the-shelf optics, scales easily to cloak arbitrarily large objects, and is as broadband as the choice of optical material, all of which have been challenges for current cloaking schemes. In addition, we provide a concise formalism that quantifies and produces perfect optical cloaks in the small-angle (`paraxial') limit.

Paper Details

Date Published: 27 February 2015
PDF: 6 pages
Proc. SPIE 9371, Photonic and Phononic Properties of Engineered Nanostructures V, 937110 (27 February 2015); doi: 10.1117/12.2182122
Show Author Affiliations
Joseph S. Choi, Univ. of Rochester (United States)
John C. Howell, Univ. of Rochester (United States)


Published in SPIE Proceedings Vol. 9371:
Photonic and Phononic Properties of Engineered Nanostructures V
Ali Adibi; Shawn-Yu Lin; Axel Scherer, Editor(s)

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