Multicolor metasurface holographic movie based on a cinematographic approach

Kentaro Iwami

doi:10.1117/12.2642317

19 December 2022 Multicolor metasurface holographic movie based on a cinematographic approach

Kentaro Iwami

Proceedings Volume 12318, Holography, Diffractive Optics, and Applications XII; 1231804 (2022) https://doi.org/10.1117/12.2642317
Event: SPIE/COS Photonics Asia, 2022, Online Only

Abstract

Animation for a multicolor metasurface hologram was achieved based on a cinematographic approach. Time-lapse images were reconstructed using sequentially arranged metasurface hologram frames. We adopted three kinds of meta-atoms: Au nanoaperture, c-Si nanopillar, and SiN nanopillar. An Au rectangular nanoaperture was adopted as a meta-atom pixel based on Pancharatnam–Berry phase. It achieved a high-contrast monochromatic animation at the wavelength of 633 nm. Dielectric nanopillar meta-atoms utilize propagation phase delay, which offers high transmittance in the visible region. Overlapping of multiple-wavelength images at 445 nm, 532 nm, and 633 nm was achieved by maintaining the ratio between the wavelengths and the pixel periods constant. The multicolor movie consisting of 20 frames was successfully reproduced using a c-Si meta-atom. In addition, by using SiN nanopillars, holography with high color reproducibility was achieved.

Conference Presentation

Citation Download Citation

Kentaro Iwami "Multicolor metasurface holographic movie based on a cinematographic approach", Proc. SPIE 12318, Holography, Diffractive Optics, and Applications XII, 1231804 (19 December 2022); https://doi.org/10.1117/12.2642317

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