30 September 2016 Digital integral cloaking
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Abstract
We propose `digital cloaking' as a method for practical cloaking, where space, angle, spectrum, and phase are discretized. At the sacrifice of spatial resolution, a good approximation to an `ideal' cloak can be achieved- a cloak that is omnidirectional, broadband, operational for the visible spectrum, three- dimensional (3D), and phase-matching for the light field, among other attributes. Experimentally, we demonstrate a two-dimensional (2D), planar, ray optics version of our proposed digital cloak by using lenticular lenses, similar to `integral imaging' for 3D displays. With the continuing improvement in commercial digital technology, the resolution limitations of a digital cloak will be minimized, and a wearable cloak can be developed in the future.
Conference Presentation
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Joseph S. Choi, John C. Howell, "Digital integral cloaking", Proc. SPIE 9948, Novel Optical Systems Design and Optimization XIX, 99480O (30 September 2016); doi: 10.1117/12.2242915; https://doi.org/10.1117/12.2242915
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