Spectral-acoustic-coordinated astigmatic metalens for wide field-of-view and high spatiotemporal resolution 3D imaging

Shujian Gong; Yinghui Guo; Xiaoyin Li; Mingbo Pu; Peng Tian; Qi Zhang; Lianwei Chen; Wenyi Ye; Heping Liu; Fei Zhang; Mingfeng Xu; Xiangang Luo

doi:10.1038/s41377-025-02180-7

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Spectral-acoustic-coordinated astigmatic metalens for wide field-of-view and high spatiotemporal resolution 3D imaging

Original Articles

- Spectral-acoustic-coordinated astigmatic metalens for wide field-of-view and high spatiotemporal resolution 3D imaging
- Spectral-acoustic-coordinated astigmatic metalens for wide field-of-view and high spatiotemporal resolution 3D imaging
- Light: Science & Applications 2026年15卷第3期页码：936-949
- Affiliations：
  
  1.State Key Laboratory of Optical Field Manipulation Science and Technology, Institute of Optics and Electronics, Chinese Academy of Sciences, Chengdu 610209, China
  2.Research Center on Vector Optical Fields, Institute of Optics and Electronics, Chinese Academy of Sciences, Chengdu 610209, China
  3.College of Materials Sciences and Opto-Electronic Technology, University of Chinese Academy of Sciences, 100049 Beijing, China
  4.Sichuan Provincial Engineering Research Center of Digital Materials, Chengdu 610213, China
  5.Tianfu Xinglong Lake Laboratory, Chengdu 610213, China
- Author bio：
  
  Mingbo Pu (pmb@ioe.ac.cn)
  Xiangang Luo (lxg@ioe.ac.cn)
- Funds：
- DOI：10.1038/s41377-025-02180-7
  中图分类号：
- 收稿：2025-06-24，
  
  修回：2025-12-15，
  
  录用：2025-12-24，
  
  网络首发：2026-01-23，
  
  纸质出版：2026-03-31
- Accepted：
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Shujian Gong, Yinghui Guo, Xiaoyin Li, 等. Spectral-acoustic-coordinated astigmatic metalens for wide field-of-view and high spatiotemporal resolution 3D imaging[J]. Light: Science & Applications, 2026,15(3):936-949.

Gong, S. J. et al. Spectral-acoustic-coordinated astigmatic metalens for wide field-of-view and high spatiotemporal resolution 3D imaging. Light: Science & Applications, 15, 936-949 (2026).
Shujian Gong, Yinghui Guo, Xiaoyin Li, 等. Spectral-acoustic-coordinated astigmatic metalens for wide field-of-view and high spatiotemporal resolution 3D imaging[J]. Light: Science & Applications, 2026,15(3):936-949. DOI： 10.1038/s41377-025-02180-7.

Gong, S. J. et al. Spectral-acoustic-coordinated astigmatic metalens for wide field-of-view and high spatiotemporal resolution 3D imaging. Light: Science & Applications, 15, 936-949 (2026). DOI： 10.1038/s41377-025-02180-7.

摘要

Abstract

Metasurface-based light detection and ranging (LiDAR) is essential for high spatiotemporal resolution three-dimensional (3D) imaging in robotic and autonomous systems. Recent advances in inertia-free scanning techniques—such as acousto-optic and spectral scanning—have propelled the field forward. Nevertheless

key spatiotemporal metrics

including point acquisition rate (PAR)

field-of-view (FOV)

and imaging resolution

remain fundamentally constrained. These challenges are particularly acute in dual-axis LiDARs

where inter-axis rate mismatch and beam astigmatism degrade temporal and spatial resolution

respectively. Here

we present a wide-FOV

high spatiotemporal resolution LiDAR architecture with astigmatic metalens (AML) coordinated spectral-acousto-optic scanning. Consequently

a frame-wise point acquisition rate (FPAR) of 36.6 MHz (~5-fold improvement over existing reports) and a wide FOV of 102° are simultaneously achieved. This breakthrough redefines LiDAR's potential for ultra-high-speed

high-precision perception

enhancing applications such as autonomous driving with improved obstacle detection and safety at high speeds.

关键词

Keywords

references

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