Decimeter-depth and polarization addressable color 3D meta-holography

Di Wang, Yi-Long Li, Xin-Ru Zheng, Ruo-Nan Ji (), Xin Xie, Kun Song, Fan-Chuan Lin, Nan-Nan Li, Zhao Jiang, Chao Liu, Yi-Wei Zheng, Shao-Wei Wang, Wei Lu, Bao-Hua Jia and Qiong-Hua Wang ()
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Di Wang: Beihang University
Yi-Long Li: Beihang University
Xin-Ru Zheng: Northwestern Polytechnical University
Ruo-Nan Ji: Northwestern Polytechnical University
Xin Xie: Northwestern Polytechnical University
Kun Song: Northwestern Polytechnical University
Fan-Chuan Lin: Beihang University
Nan-Nan Li: Beihang University
Zhao Jiang: Beihang University
Chao Liu: Beihang University
Yi-Wei Zheng: Beihang University
Shao-Wei Wang: Chinese Academy of Sciences
Wei Lu: Chinese Academy of Sciences
Bao-Hua Jia: RMIT University
Qiong-Hua Wang: Beihang University

Nature Communications, 2024, vol. 15, issue 1, 1-10

Abstract: Abstract Fueled by the rapid advancement of nanofabrication, metasurface has provided unprecedented opportunities for 3D holography. Large depth 3D meta-holography not only greatly increases information storage capacity, but also enables distinguishing of the relative spatial relationship of 3D objects, which has important applications in fields like optical information storage and medical diagnosis. Although the methods based on Fresnel diffraction theory can reconstruct the real depth information of 3D objects, the maximum depth is only 2 mm. Here, we develop a 3D meta-holography based on angular spectrum diffraction theory to break through the depth limit. By developing the angular spectrum diffraction theory into meta-holography, the metasurface structure with independent polarization control is used to create a polarization multiplexing 3D meta-hologram. The fabricated amorphous silicon metasurface increases the depth range by 47.5 times and realizes 0.95 dm depth reconstruction for polarization independent and different color 3D meta-hologram in visible. Such polarization controlled large-depth color meta-holography is expected to open avenue for data storage, display, information security and virtual reality.

Date: 2024
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DOI: 10.1038/s41467-024-52267-9

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