Single-celled metasurface full-color holography by independent phase control at RGB wavelengths

Xiaotong Zhang; Xin Li; Lingling Huang; Yongtian Wang

doi:10.1117/12.3033339

4 December 2024 Single-celled metasurface full-color holography by independent phase control at RGB wavelengths

Xiaotong Zhang, Xin Li, Lingling Huang, Yongtian Wang

Author Affiliations +

Proceedings Volume 13283, Conference on Spectral Technology and Applications (CSTA 2024); 132830F (2024) https://doi.org/10.1117/12.3033339
Event: Conference on Spectral Technology and Applications (CSTA 2024), 2024, Dalian, China

Abstract

Color holographic display is one of the most promising future display technologies. Introducing metasurfaces to holographic display brings more possibilities. Spatially multiplexing multicolor holography is a common way and it has lower resolution and irreducible noise. In order to realize full color metasurface holography, we elaborately design a metasurface in which each unit structure can independently manipulate the phase at three wavelengths of red, green and blue (RGB). The computer-generated holograms (CGH) of RGB components are obtained firstly, and the phase modulation of G-CGH is based on geometric phase, and the phase difference between R-G CGH and B-G CGH are based on the propagation phase, hence a full-color hologram can be reconstruct without relying on spatial multiplexing. Our work would have important implications for color holographic projection, near-eye displays, and multi-wavelength control.

Citation Download Citation

Xiaotong Zhang, Xin Li, Lingling Huang, and Yongtian Wang "Single-celled metasurface full-color holography by independent phase control at RGB wavelengths", Proc. SPIE 13283, Conference on Spectral Technology and Applications (CSTA 2024), 132830F (4 December 2024); https://doi.org/10.1117/12.3033339

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