Holography using curved metasurfaces
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In this work, we demonstrate nonflat metasurface holograms with applications in imaging, sensing, and anticounterfeiting. For these holograms, the image and its symmetry properties, with respect to the polarization of the light, depend on the specific shape of the substrate. Additionally, the sensitivity of the holographic image to the substrate shape can be engineered by distributing the phase information into determined areas of the metasurface.
Burch , J & Di Falco , A 2019 , ' Holography using curved metasurfaces ' , Photonics , vol. 6 , no. 1 , 8 . https://doi.org/10.3390/photonics6010008
Copyright © 2019 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
DescriptionFunding: J.B. and A.D.F. acknowledge support from EPSRC (Grant Nos. EP/M508214/1 and EP/L017008/1).
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