Journal
SCIENCE ADVANCES
Volume 6, Issue 28, Pages -Publisher
AMER ASSOC ADVANCEMENT SCIENCE
DOI: 10.1126/sciadv.aba8595
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Funding
- National Key R&D Program of China [2018YFB1105400]
- China Postdoctoral Science Foundation [2019 M662597]
- National Natural Science Foundation of China [61774067, 61835008, 11574102]
- Fundamental Research Funds for the Central Universities [HUST: 2017KFXKJC001, 2018KFYXKJC027]
- Open Funding of State Key Laboratory of Optical Technologies for Microfabrication (2019)
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The hologram is an ideal method for displaying three-dimensional images visible to the naked eye. Metasurfaces consisting of subwavelength structures show great potential in light field manipulation, which is useful for overcoming the drawbacks of common computer-generated holography. However, there are long-existing challenges to achieving dynamic meta-holography in the visible range, such as low frame rate and low frame number. In this work, we demonstrate a design of meta-holography that can achieve 2(28) different holographic frames and an extremely high frame rate (9523 frames per second) in the visible range. The design is based on a space channel metasurface and a high-speed dynamic structured laser beam modulation module. The space channel consists of silicon nitride nanopillars with a high modulation efficiency. This method can satisfy the needs of a holographic display and be useful in other applications, such as laser fabrication, optical storage, optics communications, and information processing.
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