Submitted:
17 December 2018
Posted:
19 December 2018
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Abstract
In this work we demonstrate non-flat metasurface holograms with applications in imaging, sensing, and anti-counterfeiting. In 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.
Keywords:
metasurfaces
; holography
; curved
; metamaterials
; non flat optics
; tunable
; reconfigurable
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