Source：Nature Communications
Authors：Zijian Wang、Hui Ma、Jingwei Luo、Heping Zeng Etc.
Published：2025-07-24
DOI：10.1038/s41467-025-61972-9
Link：https://www.nature.com/articles/s41467-025-62228-5
Core Research Progress
Traditional stereoscopic imaging struggles to achieve large measurement range, high precision and high-speed measurement simultaneously. This study innovates the mechanism of time-domain stereoscopy. Combining femtosecond electro-optic comb and nonlinear sampling technology, it realizes high-precision ranging via time-domain disparity signals. The system achieves a meter-scale measurement range with precision up to the hundred-nanometer level, and completes dynamic measurement of 47 million sampling points within milliseconds, breaking the performance bottlenecks of conventional 3D imaging.
Technical Application Value
This technology pioneers the time-domain stereoscopy solution and addresses the conflict between measurement range and precision in 3D imaging. It features high density, high precision and high-speed measurement capabilities. Widely applied to surface metrology, mechanical dynamic monitoring and quality control in precision manufacturing, it delivers an innovative technical support for high-end precision 3D perception and measurement.
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