Conformable holographic metasurfaces
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Metasurface holograms are typically fabricated on rigid substrates. Here we experimentally demonstrate broadband, flexible, conformable, helicity multiplexed metasurface holograms operating in the visible range, offering increased potential for real life out-of-the-lab applications. Two symmetrically distributed holographic images are obtained when circularly polarized light impinges on the reflective-type metasurface positioned on non-planar targets. The two off-axis images with high fidelity are interchangeable by controlling the helicity of incident light. Our metasurface features the arrangement of spatially varying gold nanorods on a flexible, conformable epoxy resist membrane to realize a Pancharatnam-Berry phase profile. These results pave the way to practical applications including polarization manipulation, beam steering, novel lenses, and holographic displays.
Burch , J , Wen , D , Chen , X & Di Falco , A 2017 , ' Conformable holographic metasurfaces ' , Scientific Reports , vol. 7 , 4250 . https://doi.org/10.1038/s41598-017-04482-2
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DescriptionThe authors acknowledge support from EPSRC (grants No EP/M508214/1, EP/L017008/1, and EP/M003175/1).
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