Research ArticleAPPLIED PHYSICS

Multicolor 3D meta-holography by broadband plasmonic modulation

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Science Advances  04 Nov 2016:
Vol. 2, no. 11, e1601102
DOI: 10.1126/sciadv.1601102
  • Fig. 1 Schematic diagram of the methodology and achromatic phase shift.

    (A) Schematic diagram of the off-axis illumination method for meta-hologram. (B) Experimental results of a flower RGB image. (C) Structure of a plasmonic nanoslit antenna. (D) Simulation results for the phase shift performance of the antennas with different ϕ (unit in radians) from 400- to 750-nm wavelength. Simulation settings: material of the metal is Au; the thickness of the Au film is 120 nm; period Λ = 200 nm; length l =140 nm; width w = 60 nm.

  • Fig. 2 Design principle and experimental configuration of meta-holography.

    (A) Design principle for the holographic imaging. (B) Experimental setup for the reconstruction process. QWP, quarter-wave plate; CCD, charge-coupled device. (C) Phase diagram of the meta-hologram calculated by the GS algorithm corresponding to the flower holographic image. Scale bar, 500 μm. Color bar, phase shift. (D) Scanning electron microscope image of the nanoslit antennas. Scale bar, 1 μm.

  • Fig. 3 k-space modulation.

    (A) Schematic diagram to demonstrate the modulation of the k space of incident light. (B) Simulation results for the hologram design that shifts all the unwanted images into the k space corresponding to evanescent waves.

  • Fig. 4 Multi-image meta-holography.

    (A to C) Simulation results for the flower holography for the RGB image patterns. (D to F) Experimental results corresponding to the red, green, and blue image patterns, respectively. (G to I) RGB holographic images of map of China, which are reconstructed by the same hologram metasurface of the flower image with different light incident angles.

  • Fig. 5 Seven-color meta-holography.

    (A) Seven-color holographic image for the Sun Phoenix, a pattern discovered on an ancient artifact gold coil, made in the Chinese Shang dynasty 3000 years ago. (B to H) Patterns corresponding to purple, blue, cyan, red, orange, yellow, and green colors, respectively.

  • Fig. 6 Multicolor 3D meta-holography.

    (A) Schematic diagram of the 3D object in the spatial coordinate. (B) Experimental results for the cross-sections at different z positions.

Supplementary Materials

  • Supplementary material for this article is available at http://advances.sciencemag.org/cgi/content/full/2/11/e1601102/DC1

    section S1. Plasmonic nanoantenna array fabrication

    section S2. Experimental setup of optical characterization

    section S3. Simulation results for the seven-color hologram

    section S4. Calculation of the color gamut

    section S5. Efficiency of the meta-hologram

    fig. S1. Definition of incident angles.

    fig. S2. Target pictures, simulation, and experimental results of the seven-color Sun Phoenix holography.

    fig. S3. Efficiency of the meta-hologram.

    table S1. Incident angles for “flower.”

    table S2. Incident angles for “map of China.”

    table S3. Incident angles for “seven-color hologram.”

    table S4. Incident angles for “3D imaging.”

    table S5. List of the wavelength versus colors.

    movie S1. The evolution of the images at different elevations above the hologram for “3D imaging.”

  • Supplementary Materials

    This PDF file includes:

    • section S1. Plasmonic nanoantenna array fabrication.
    • section S2. Experimental setup of optical characterization.
    • section S3. Simulation results for the seven-color hologram.
    • section S4. Calculation of the color gamut.
    • section S5. Efficiency of the meta-hologram.
    • fig. S1. Definition of incident angles.
    • fig. S2. Target pictures, simulation, and experimental results of the seven-color Sun Phoenix holography.
    • fig. S3. Efficiency of the meta-hologram.
    • table S1. Incident angles for “flower.”
    • table S2. Incident angles for “map of China.”
    • table S3. Incident angles for “seven-color hologram.”
    • table S4. Incident angles for “3D imaging.”
    • table S5. List of the wavelength versus colors.

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    Other Supplementary Material for this manuscript includes the following:

    • movie S1 (.avi format). The evolution of the images at different elevations above the hologram for "3D imaging."

    Files in this Data Supplement:

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