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Laser & Optoelectronics Progress, Volume. 58, Issue 21, 2114001(2021)

Design of a Narrow Pulse Laser Drive Circuit with Adjustable Pulse Width

Ruifeng Zhang* and Jiamin Cui
Author Affiliations
  • School of Microelectronics, Tianjin University, Tianjin 300072, China
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    AbstractGet PDF(in Chinese)
    Figures&Tables (8)
    Equations (5)
    References (13)
    Cited By (1)
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    Figures & Tables(8)
    System block diagram

    Fig. 1. System block diagram

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    Circuit of pulse generating

    Fig. 2. Circuit of pulse generating

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    Time sequence diagram of pulse generation

    Fig. 3. Time sequence diagram of pulse generation

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    Main circuit of laser driver

    Fig. 4. Main circuit of laser driver

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    Graphs of pulse waveform. (a) Tout=4 ns,Wpulse=2 ns; (b) Tout=400 ns,Wpulse=300 ns

    Fig. 5. Graphs of pulse waveform. (a) Tout=4 ns,Wpulse=2 ns; (b) Tout=400 ns,Wpulse=300 ns

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    Sampling current simulation waveforms. (a) C=1 nF; (b) C=3 nF; (c) C=5 nF

    Fig. 6. Sampling current simulation waveforms. (a) C=1 nF; (b) C=3 nF; (c) C=5 nF

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    Laser pulse waveform diagram

    Fig. 7. Laser pulse waveform diagram

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    • Table 1. Experimental measurement data

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      Table 1. Experimental measurement data

      NthinTout /nsWpulse /nsError rate /%
      TheoreticalMeasuredTheoreticalMeasuredToutWpulse
      0100.000099.967516.000016.00780.03250.0488
      1100.000099.984016.500016.47230.01600.1679
      2100.000099.980517.000016.99540.01950.0271
      3100.000099.977617.500015.50020.02240.0011
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    Ruifeng Zhang, Jiamin Cui. Design of a Narrow Pulse Laser Drive Circuit with Adjustable Pulse Width[J]. Laser & Optoelectronics Progress, 2021, 58(21): 2114001

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    Paper Information

    Category: Lasers and Laser Optics

    Received: Jan. 26, 2021

    Accepted: Mar. 9, 2021

    Published Online: Nov. 17, 2021

    The Author Email: Zhang Ruifeng (zhangruifeng@tju.edu.cn)

    DOI:10.3788/LOP202158.2114001

    Topics

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