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Laser & Optoelectronics Progress, Volume. 61, Issue 4, 0428011(2024)

Study of Signal-Induced Noise in Single-Photon Ranging Lidar Systems

Yunbo Tu1,2, Xialin Liu1, Jia Qiang1, and Rong Shu1,2、*
Author Affiliations
  • 1Key Laboratory of Space Active Optical-Electro Technology, Shanghai Institute of Technical physics, Chinese Academy of Sciences, Shanghai 200083, China
  • 2School of Information Science and Technology, Shanghai Tech University, Shanghai 201210,China
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    AbstractGet PDF(in Chinese)
    Figures&Tables (10)
    Equations (5)
    References (22)
    Cited By (2)
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    Figures & Tables(10)
    Schematic diagram of photomultiplier tube

    Fig. 1. Schematic diagram of photomultiplier tube

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    Schematic and actual diagrams of the experimental setup for SIN measurement

    Fig. 2. Schematic and actual diagrams of the experimental setup for SIN measurement

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    Schematic diagram of echo simulator

    Fig. 3. Schematic diagram of echo simulator

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    Results of SIN experiments. (a) The SIN count and Dark count of PMT; (b) the curve fitting results

    Fig. 4. Results of SIN experiments. (a) The SIN count and Dark count of PMT; (b) the curve fitting results

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    Comparison of SIN under different intensities of induced signal conditions

    Fig. 5. Comparison of SIN under different intensities of induced signal conditions

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    Echo photon count curve of target at different distance corresponding to single pulse

    Fig. 6. Echo photon count curve of target at different distance corresponding to single pulse

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    Point cloud map generated by the echo simulator at a target distance of 100 km

    Fig. 7. Point cloud map generated by the echo simulator at a target distance of 100 km

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    Comparison of statistical histograms of target echoes at 150 km under different energy background light conditions

    Fig. 8. Comparison of statistical histograms of target echoes at 150 km under different energy background light conditions

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    Echo-SIN ratio curves for five sets of targets at different distances under different background light energy

    Fig. 9. Echo-SIN ratio curves for five sets of targets at different distances under different background light energy

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    • Table 1. 10 sets of SIN coefficients corresponding to pulse width of 10 ns and light intensity of 20‒200 pJ

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      Table 1. 10 sets of SIN coefficients corresponding to pulse width of 10 ns and light intensity of 20‒200 pJ

      Serial No.Optical energy / pJCoefficients
      I1T1I2T2
      12001.638×1041.706×10-8851.71.617×10-10
      21801.593×1041.901×10-8797.25.458×10-10
      31601.588×1041.913×10-8702.76.613×10-10
      41401.555×1041.973×10-8587.47.982×10-10
      51201.475×1042.163×10-8447.38.439×10-10
      61001.426×1042.377×10-8401.28.452×10-10
      7801.345×1042.806×10-8399.19.915×10-10
      8601.262×1043.067×10-8368.71.052×10-10
      9401.167×1043.589×10-8177.71.616×10-10
      10201.136×1044.764×10-8107.12.043×10-10
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    Yunbo Tu, Xialin Liu, Jia Qiang, Rong Shu. Study of Signal-Induced Noise in Single-Photon Ranging Lidar Systems[J]. Laser & Optoelectronics Progress, 2024, 61(4): 0428011

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    Paper Information

    Category: Remote Sensing and Sensors

    Received: Jan. 3, 2023

    Accepted: Feb. 6, 2023

    Published Online: Feb. 26, 2024

    The Author Email: Rong Shu (shurong@mail.sitp.ac.cn)

    DOI:10.3788/LOP230433

    CSTR:32186.14.LOP230433

    Topics

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