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Simultaneous Full‐Color Printing and Holography Enabled by Centimeter‐Scale Plasmonic Metasurfaces
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Simultaneous Full‐Color Printing and Holography Enabled by Centimeter‐Scale Plasmonic Metasurfaces
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Journal Article
Simultaneous Full‐Color Printing and Holography Enabled by Centimeter‐Scale Plasmonic Metasurfaces
2020
Overview
Optical metasurfaces enable novel ways to locally manipulate light's amplitude, phase, and polarization, underpinning a newly viable technology for applications, such as high‐density optical storage, holography, and displays. Here, a high‐security‐level platform enabled by centimeter‐scale plasmonic metasurfaces with full‐color, high‐purity, and enhanced‐information‐capacity properties is proposed. Multiple types of independent information can be embedded into a single metamark using full parameters of light, including amplitude, phase, and polarization. Under incoherent white light, the metamark appears as a polarization‐ and angle‐encoded full‐color image with flexibly controlled hue, saturation, and brightness, while switching to multiwavelength holograms under coherent laser illumination. More importantly, for actual applications, the extremely shallow functional layer makes such centimeter‐scale plasmonic metamarks suitable for cost‐effective mass production processes. Considering these superior performances of the presented multifunctional plasmonic metasurfaces, this work may find wide applications in anticounterfeiting, information security, high‐density optical storage, and so forth.
Publisher
John Wiley & Sons, Inc,John Wiley and Sons Inc,Wiley
Subject
