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A 0.18 cubic centimeter 3D meta-holographic zoom micro-projector

Author

Listed:
  • Di Wang

    (Beihang University, School of Instrumentation and Optoelectronic Engineering)

  • Qian Huang

    (Beihang University, School of Instrumentation and Optoelectronic Engineering)

  • Chao Liu

    (Beihang University, School of Instrumentation and Optoelectronic Engineering)

  • Yi Zheng

    (Beihang University, School of Instrumentation and Optoelectronic Engineering)

  • Yu-Cheng Lin

    (Beihang University, School of Instrumentation and Optoelectronic Engineering)

  • Fan-Chuan Lin

    (Beihang University, School of Instrumentation and Optoelectronic Engineering)

  • Yi-Long Li

    (Beihang University, School of Instrumentation and Optoelectronic Engineering)

  • Xin-Ru Zheng

    (Northwestern Polytechnical University, School of Physical Science and Technology)

  • Yi-Wei Zheng

    (Beihang University, School of Instrumentation and Optoelectronic Engineering)

  • Xin Xie

    (Northwestern Polytechnical University, School of Physical Science and Technology)

  • Kun Song

    (Northwestern Polytechnical University, School of Physical Science and Technology)

  • Shao-Wei Wang

    (Chinese Academy of Sciences, State Key Laboratory of Infrared Physics, Shanghai Institute of Technical Physics
    East China Normal University, State Key Laboratory of Precision Spectroscopy)

  • Wei Lu

    (Chinese Academy of Sciences, State Key Laboratory of Infrared Physics, Shanghai Institute of Technical Physics)

  • Ruo-Nan Ji

    (Northwestern Polytechnical University, School of Physical Science and Technology
    Chinese Academy of Sciences, State Key Laboratory of Infrared Physics, Shanghai Institute of Technical Physics)

  • Bao-Hua Jia

    (RMIT University, Centre for Atomaterials and Nanomanufacturing, School of Science)

  • Qiong-Hua Wang

    (Beihang University, School of Instrumentation and Optoelectronic Engineering)

Abstract

Meta-holography has become a frontier hot spot of photonics, thanks to the rapid advancement of nanofabrication. Tunable meta-holography significantly enhances information capacity and meets the growing demands of adaptive imaging, offering tremendous application prospects in fields such as optical storage, augmented and virtual realities, and biology. However, the existing meta-holography predominantly relies on 2D projection, with a small and non-adjustable image size. Here, we propose a 3D meta-holographic zoom micro-projector by integrating a high-resolution metasurface with a tailored liquid lens, and the size of the demonstrated micro-projector is only 0.18 cm3. A 3D Fourier meta-hologram generation method is proposed, which overcomes the limitation of the traditional Fourier meta-hologram in realizing 3D projection. By proposing a small-sized zoom liquid lens, the projector achieves 3D zoom projection, with the size and projection distance of the meta-holographic image extending to the decimeter scale, a feat unattainable by previous meta-holographic projection. This flexible and miniaturized 3D fingertip zoom micro-projector is anticipated to have broad applications in portable and wearable devices as well as biomedical apparatus.

Suggested Citation

  • Di Wang & Qian Huang & Chao Liu & Yi Zheng & Yu-Cheng Lin & Fan-Chuan Lin & Yi-Long Li & Xin-Ru Zheng & Yi-Wei Zheng & Xin Xie & Kun Song & Shao-Wei Wang & Wei Lu & Ruo-Nan Ji & Bao-Hua Jia & Qiong-Hu, 2025. "A 0.18 cubic centimeter 3D meta-holographic zoom micro-projector," Nature Communications, Nature, vol. 16(1), pages 1-10, December.
    • Handle: RePEc:nat:natcom:v:16:y:2025:i:1:d:10.1038_s41467-025-65764-2
    DOI: 10.1038/s41467-025-65764-2
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