Experimental demonstration of ray-rotation sheets

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Authors

COURTIAL Johannes Klaus CHEN N. OGILVIE S. KIRKPATRICK B. HAMILTON A. GIBSON G. TYC Tomáš LOGEAN E. SCHARF T.

Year of publication 2018
Type Article in Periodical
Magazine / Source Journal of the Optical Society of America A
MU Faculty or unit

Faculty of Science

Citation
Web https://www.osapublishing.org/josaa/abstract.cfm?uri=josaa-35-7-1160
Doi http://dx.doi.org/10.1364/JOSAA.35.001160
Keywords CONFOCAL LENSLET ARRAYS; PHASE DISCONTINUITIES; GENERALIZED LAWS; REFRACTION; LIGHT; REFLECTION
Description We have built microstructured sheets that rotate, on transmission, the direction of light rays by an arbitrary, but fixed, angle around the sheet normal. These ray-rotation sheets comprise two pairs of confocal lenticular arrays. In addition to rotating the direction of transmitted light rays, our sheets also offset ray position sideways on the scale of the diameter of the lenticules. If this ray offset is sufficiently small so that it cannot be resolved, our ray-rotation sheets appear to perform generalized refraction.
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