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Acta Optica Sinica, Volume. 40, Issue 11, 1128001(2020)

Radiation Calibration and Ground Object Information Acquisition Based on High Spectral Imaging Lidar System

Liyong Qian1,2, Decheng Wu1, Xiaojun Zhou1, Liujun Zhong1, Wei Wei1, Wenju Wang1, Yingjian Wang1, Wei Gong3, and Dong Liu1,2、*
Author Affiliations
  • 1Key Laboratory of Atmospheric Optics, Anhui Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Hefei, Anhui 230031, China
  • 2University of Science and Technology of China, Hefei, Anhui 230026, China
  • 3State Key Laboratory of Information Engineering in Surveying, Mapping and Remote Sensing, Wuhan University, Wuhan, Hubei 430072, China
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    AbstractGet PDF(in Chinese)
    Figures&Tables (7)
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    References (38)
    Cited By (5)
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    Figures & Tables(7)
    Illustration of the hyperspectral lidar system

    Fig. 1. Illustration of the hyperspectral lidar system

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    Schematic diagram of laser pulse detection

    Fig. 2. Schematic diagram of laser pulse detection

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    Schematic diagram of spectral calibration

    Fig. 3. Schematic diagram of spectral calibration

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    Schematic diagram of bandwidth and center wavelength

    Fig. 4. Schematic diagram of bandwidth and center wavelength

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    Schematic diagram of radiation calibration

    Fig. 5. Schematic diagram of radiation calibration

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    Schematic diagram of reference optical signal, echo optical signal and background signal

    Fig. 6. Schematic diagram of reference optical signal, echo optical signal and background signal

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    • Table 1. Uncertainty of lidar system calibration

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      Table 1. Uncertainty of lidar system calibration

      Component of uncertaintyContribution /%
      Wavelength accuracy—
      Source-s characterizationInstability0.500
      Planar uniformity0.400
      Angular uniformity0.570
      Radiant power responsivity0.100
      Detector-s characterizationInstability0.018
      Non-linearity0.070
      Non-uniformity0.016
      Combined uncertainty0.87
      Expanded uncertainty (k=2)1.73
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    Liyong Qian, Decheng Wu, Xiaojun Zhou, Liujun Zhong, Wei Wei, Wenju Wang, Yingjian Wang, Wei Gong, Dong Liu. Radiation Calibration and Ground Object Information Acquisition Based on High Spectral Imaging Lidar System[J]. Acta Optica Sinica, 2020, 40(11): 1128001

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    Paper Information

    Category: Remote Sensing and Sensors

    Received: Jan. 9, 2020

    Accepted: Feb. 27, 2020

    Published Online: Jun. 10, 2020

    The Author Email: Liu Dong (dliu@aiofm.ac.cn)

    DOI:10.3788/AOS202040.1128001

    Topics

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