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Chinese Journal of Lasers, Volume. 46, Issue 5, 0510001(2019)

A Fast and High-Precision Pulse Laser Ranging Method Based on Cursor Principle

Minshuang Huang* and Zaihui Guan
Author Affiliations
  • Opto-Mechatronic Equipment Technology Beijing Area Major Laboratory, Beijing Institute of Petrochemical Technology, Beijing 102617, China
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    AbstractGet PDF(in Chinese)
    Figures&Tables (8)
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    References (10)
    Cited By (4)
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    Figures & Tables(8)
    Pulsed laser ranging principle based on vernier measurement

    Fig. 1. Pulsed laser ranging principle based on vernier measurement

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    Time jitter due to sinusoidal amplitude noise

    Fig. 2. Time jitter due to sinusoidal amplitude noise

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    Block diagram of pulsed laser ranging system

    Fig. 3. Block diagram of pulsed laser ranging system

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    Sinusoidal reference signal waveform observed with oscilloscope

    Fig. 4. Sinusoidal reference signal waveform observed with oscilloscope

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    Sinusoidal reference signal waveform reconstructed by one vernier process

    Fig. 5. Sinusoidal reference signal waveform reconstructed by one vernier process

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    Sinusoidal reference signal waveform reconstructed by fifty vernier processes

    Fig. 6. Sinusoidal reference signal waveform reconstructed by fifty vernier processes

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    Measured distance error curve

    Fig. 7. Measured distance error curve

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    • Table 1. Parameters for key components

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      Table 1. Parameters for key components

      ClassParameterValue
      Oscillation frequency fnom /MHz15
      TCXOFrequency stability ftol /10-6±0.5
      Phase noise at 1 kHz offsetRNF /(dBc·Hz-1)-130
      Central wavelength λp /nm870
      Rise time tr /ns2
      LDPeak power Φep /W10
      Maximum repetition rate frep /kHz100
      Capacitance Cd /pF2
      Resolution /bit12
      Sampling frequencyfSAMPLE /MHz5
      ADCSample-and-hold aperturedelay time tAP /ps-250
      Ample-and-hold aperture delaytime jitter tjitter /ps0.6
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    Minshuang Huang, Zaihui Guan. A Fast and High-Precision Pulse Laser Ranging Method Based on Cursor Principle[J]. Chinese Journal of Lasers, 2019, 46(5): 0510001

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    Paper Information

    Category: remote sensing and sensor

    Received: Dec. 21, 2018

    Accepted: Jan. 28, 2019

    Published Online: Nov. 11, 2019

    The Author Email: Huang Minshuang (huangminshuang@bipt.edu.cn)

    DOI:10.3788/CJL201946.0510001

    Topics

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