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Laser & Optoelectronics Progress, Volume. 61, Issue 5, 0512006(2024)

Design of Pulse Laser Signal Detection System Based on Full Waveform Sampling

Mao Ye1, Weibo Cheng1, Yiqiang Zhao1、*, Yiheng Song2, Wenhao Duan2, and Weizheng Bao2
Author Affiliations
  • 1School of Microelectronics, Tianjin University, Tianjin 300072, China
  • 2Science and Technology on Electro-Optical Information Security Control Laboratory, Tianjin 300308, China
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    AbstractGet PDF(in Chinese)
    Figures&Tables (9)
    Equations (6)
    References (22)
    Cited By (1)
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    Figures & Tables(9)
    Block diagram of weak pulse laser signal detection hardware platform

    Fig. 1. Block diagram of weak pulse laser signal detection hardware platform

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    Measured RMS noise at the AFE output terminal

    Fig. 2. Measured RMS noise at the AFE output terminal

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    Multi-frame accumulation results. (a) Uniform periodic trigger signal; (b) non-uniform periodic trigger signal after modulation

    Fig. 3. Multi-frame accumulation results. (a) Uniform periodic trigger signal; (b) non-uniform periodic trigger signal after modulation

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    Flow chart of data processing and parameter calculation

    Fig. 4. Flow chart of data processing and parameter calculation

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    200 frames of non-uniform periodic laser pulse signal

    Fig. 5. 200 frames of non-uniform periodic laser pulse signal

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    Full waveform data after clipping and fitting (FWHM is 3 ns)

    Fig. 6. Full waveform data after clipping and fitting (FWHM is 3 ns)

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    Real-time output optical power of laser after modulation compensation

    Fig. 7. Real-time output optical power of laser after modulation compensation

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    Comparison between oscilloscope data and system original data

    Fig. 8. Comparison between oscilloscope data and system original data

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    • Table 1. Designed system accuracy and repeated measurement error

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      Table 1. Designed system accuracy and repeated measurement error

      Types of dataFWHM /nsRepetition frequency /kHzPeak power /μWNumerical integration /fJ
      RSD /%1.390.026.047.56
      Oscilloscope2.99310.009.2540.91
      Designed system3.0699.999.4940.95
      SD0.0410.010.534.52
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    Mao Ye, Weibo Cheng, Yiqiang Zhao, Yiheng Song, Wenhao Duan, Weizheng Bao. Design of Pulse Laser Signal Detection System Based on Full Waveform Sampling[J]. Laser & Optoelectronics Progress, 2024, 61(5): 0512006

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    Paper Information

    Category: Instrumentation, Measurement and Metrology

    Received: Mar. 14, 2023

    Accepted: May. 6, 2023

    Published Online: Mar. 12, 2024

    The Author Email: Yiqiang Zhao (yq_zhao@tju.edu.cn)

    DOI:10.3788/LOP230857

    CSTR:32186.14.LOP230857

    Topics

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