Large-array sub-millimeter precision coherent flash three-dimensional imaging

Bin Wang; Junze Tian; Jianwei Wang; Shukang Xu; Shuangxiang Zhao; Jianhao Duan; Weifeng Zhang; Yangyang Liu; Tao Zeng; Erke Mao

doi:10.1038/s41467-026-69188-4

Large-array sub-millimeter precision coherent flash three-dimensional imaging

Bin Wang
, Junze Tian
, Jianwei Wang
, Shukang Xu
, Shuangxiang Zhao
, Jianhao Duan
, Weifeng Zhang^*
, Yangyang Liu^*
, Tao Zeng^*
, Erke Mao

^*此作品的通讯作者

信息与电子学院

Beijing Institute of Technology
Chongqing Key Laboratory of Novel Civilian Radar
CAS - Aerospace Information Research Institute
University of Chinese Academy of Sciences

科研成果: 期刊稿件 › 文章 › 同行评审

1 引用（Scopus）

摘要

High-precision three-dimensional (3D) imaging is essential for accurately perceiving environments, providing critical depth and spatial awareness. Among various approaches, solid-state LiDAR systems have garnered significant attention. However, depth precision, detection range and pixel scalability remain key challenges for their widespread adoption. Here, we report a large-array coherent flash 3D imaging system that achieves a sub-millimeter range precision through stepped-frequency modulation and coherent detection with CCD sensors. A coherent image sensor is developed, and a prototype system is demonstrated, providing 3D imaging with a depth precision as high as 0.47 mm over a range of 30.50 m at an optical power of 15.86 mW and a maximum frame rate of 10 Hz. Our system features high range precision, exceptional sensitivity across long distances, and robust pixel scalability by directly leveraging well-established CCD sensors. This advancement introduces a scalable approach to long-range high-precision 3D imaging, with substantial implications for deformation monitoring, virtual reality, and cultural heritage preservation.

源语言	英语
文章编号	2780
期刊	Nature Communications
卷	17
期	1
DOI	https://doi.org/10.1038/s41467-026-69188-4
出版状态	已出版 - 12月 2026

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title = "Large-array sub-millimeter precision coherent flash three-dimensional imaging",

abstract = "High-precision three-dimensional (3D) imaging is essential for accurately perceiving environments, providing critical depth and spatial awareness. Among various approaches, solid-state LiDAR systems have garnered significant attention. However, depth precision, detection range and pixel scalability remain key challenges for their widespread adoption. Here, we report a large-array coherent flash 3D imaging system that achieves a sub-millimeter range precision through stepped-frequency modulation and coherent detection with CCD sensors. A coherent image sensor is developed, and a prototype system is demonstrated, providing 3D imaging with a depth precision as high as 0.47 mm over a range of 30.50 m at an optical power of 15.86 mW and a maximum frame rate of 10 Hz. Our system features high range precision, exceptional sensitivity across long distances, and robust pixel scalability by directly leveraging well-established CCD sensors. This advancement introduces a scalable approach to long-range high-precision 3D imaging, with substantial implications for deformation monitoring, virtual reality, and cultural heritage preservation.",

author = "Bin Wang and Junze Tian and Jianwei Wang and Shukang Xu and Shuangxiang Zhao and Jianhao Duan and Weifeng Zhang and Yangyang Liu and Tao Zeng and Erke Mao",

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AU - Tian, Junze

AU - Wang, Jianwei

AU - Xu, Shukang

AU - Zhao, Shuangxiang

AU - Duan, Jianhao

AU - Zhang, Weifeng

AU - Liu, Yangyang

AU - Zeng, Tao

AU - Mao, Erke

PY - 2026/12

Y1 - 2026/12

N2 - High-precision three-dimensional (3D) imaging is essential for accurately perceiving environments, providing critical depth and spatial awareness. Among various approaches, solid-state LiDAR systems have garnered significant attention. However, depth precision, detection range and pixel scalability remain key challenges for their widespread adoption. Here, we report a large-array coherent flash 3D imaging system that achieves a sub-millimeter range precision through stepped-frequency modulation and coherent detection with CCD sensors. A coherent image sensor is developed, and a prototype system is demonstrated, providing 3D imaging with a depth precision as high as 0.47 mm over a range of 30.50 m at an optical power of 15.86 mW and a maximum frame rate of 10 Hz. Our system features high range precision, exceptional sensitivity across long distances, and robust pixel scalability by directly leveraging well-established CCD sensors. This advancement introduces a scalable approach to long-range high-precision 3D imaging, with substantial implications for deformation monitoring, virtual reality, and cultural heritage preservation.

AB - High-precision three-dimensional (3D) imaging is essential for accurately perceiving environments, providing critical depth and spatial awareness. Among various approaches, solid-state LiDAR systems have garnered significant attention. However, depth precision, detection range and pixel scalability remain key challenges for their widespread adoption. Here, we report a large-array coherent flash 3D imaging system that achieves a sub-millimeter range precision through stepped-frequency modulation and coherent detection with CCD sensors. A coherent image sensor is developed, and a prototype system is demonstrated, providing 3D imaging with a depth precision as high as 0.47 mm over a range of 30.50 m at an optical power of 15.86 mW and a maximum frame rate of 10 Hz. Our system features high range precision, exceptional sensitivity across long distances, and robust pixel scalability by directly leveraging well-established CCD sensors. This advancement introduces a scalable approach to long-range high-precision 3D imaging, with substantial implications for deformation monitoring, virtual reality, and cultural heritage preservation.

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Large-array sub-millimeter precision coherent flash three-dimensional imaging

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