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Laser & Optoelectronics Progress, Volume. 62, Issue 1, 0100003(2025)

Research Progress of Long-Distance and High-Precision Frequency-Modulated Continuous Wave Laser Measurement Technology

Yu Yang1,2, Mingliang Long2、***, Jie Ding1, Zhiyong Lu4, Haifeng Zhang2,3、**, Hongyu He4、*, Chenguang Wu2,5, Zhongping Zhang2, and Zhenxu Bai1
Author Affiliations
  • 1Center for Advanced Laser Technology, Hebei University of Technology, Tianjin 300401, China
  • 2Shanghai Astronomical Observatory, Chinese Academy of Sciences, Shanghai 200030, China
  • 3Key Laboratory of Space Object and Debris Observation, China Academy of Sciences, Nanjing 210008, Jiangsu , China
  • 4Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China
  • 5College of Sciences, Shanghai University, Shanghai 200444, China
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    AbstractGet PDF(in Chinese)
    Figures&Tables (11)
    Equations (7)
    References (36)
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    Figures & Tables(11)
    Flowchart of FMCW laser ranging system

    Fig. 1. Flowchart of FMCW laser ranging system

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    Schematic diagram of triangle wave FM principle

    Fig. 2. Schematic diagram of triangle wave FM principle

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    Schematic diagram of all-fiber coherent Doppler lidar system[13]

    Fig. 3. Schematic diagram of all-fiber coherent Doppler lidar system[13]

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    FMCW lidar employs an optical frequency comb and the generating process of optical frequency comb[20]

    Fig. 4. FMCW lidar employs an optical frequency comb and the generating process of optical frequency comb[20]

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    Long-distance FMCW detection system based on hybrid integrated laser[22]

    Fig. 5. Long-distance FMCW detection system based on hybrid integrated laser[22]

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    Adaptive compensation principle based on heterodyne OPLL[25]

    Fig. 6. Adaptive compensation principle based on heterodyne OPLL[25]

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    Multi-aperture coherent receiver array system[28]

    Fig. 7. Multi-aperture coherent receiver array system[28]

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    Structure of dual-frequency coherent lidar[34]

    Fig. 8. Structure of dual-frequency coherent lidar[34]

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    Experimental device of FMCW ranging radar[35]

    Fig. 9. Experimental device of FMCW ranging radar[35]

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    Schematic diagram of long-distance FMCW ranging system

    Fig. 10. Schematic diagram of long-distance FMCW ranging system

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    Measurement results of radar system on the target at a distance of 10 km. (a) Frequency domain; (b) matched filtering results; (c) range measurement results of static target

    Fig. 11. Measurement results of radar system on the target at a distance of 10 km. (a) Frequency domain; (b) matched filtering results; (c) range measurement results of static target

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    Yu Yang, Mingliang Long, Jie Ding, Zhiyong Lu, Haifeng Zhang, Hongyu He, Chenguang Wu, Zhongping Zhang, Zhenxu Bai. Research Progress of Long-Distance and High-Precision Frequency-Modulated Continuous Wave Laser Measurement Technology[J]. Laser & Optoelectronics Progress, 2025, 62(1): 0100003

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    Paper Information

    Category: Reviews

    Received: Feb. 18, 2024

    Accepted: May. 7, 2024

    Published Online: Dec. 9, 2024

    The Author Email: Mingliang Long (F_CEO_beifeng@126.com), Haifeng Zhang (hfzhang@shao.ac.cn), Hongyu He (hihehongyu@163.com)

    DOI:10.3788/LOP240683

    CSTR:32186.14.LOP240683

    Topics

    laser devices and laser physics
    Lasers and Laser Optics
    Laser physics
    laser manufacturing
    Instrumentation, Measurement and Metrology