• Laser & Optoelectronics Progress
  • Vol. 56, Issue 13, 132801 (2019)
Hui Li1, Zhangjun Wang1、*, Haoyue Wang2, Chao Chen1, Xiangqian Meng1, Xingtao Liu1, Xianxin Li1, Quanfeng Zhuang1, and Xiufen Wang1
Author Affiliations
  • 1 Institute of Oceanographic Instrumentation, Shandong Academy of Sciences, Qilu University of Technology (Shandong Academy of Sciences), Qingdao, Shandong 266100, China
  • 2 Department of Atmospheric Sciences, Yunnan University, Kunming, Yunnan 650091, China
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    DOI: 10.3788/LOP56.132801 Cite this Article Set citation alerts
    Hui Li, Zhangjun Wang, Haoyue Wang, Chao Chen, Xiangqian Meng, Xingtao Liu, Xianxin Li, Quanfeng Zhuang, Xiufen Wang. Combined Observation of Aerosol Vertical Structure Using Micro-Pulse Lidar and Compact Optical Backscatter Aerosol Detector[J]. Laser & Optoelectronics Progress, 2019, 56(13): 132801 Copy Citation Text show less
    Scanning MPL. (a) Photo; (b) schematic of system structure
    Fig. 1. Scanning MPL. (a) Photo; (b) schematic of system structure
    Example of synchronous observation on 27th July, 2017. (a) Average profile of lidar RCS echo; (b) backscatter ratio profile measured by COBALD; (c) CI profile; (d) RH profile
    Fig. 2. Example of synchronous observation on 27th July, 2017. (a) Average profile of lidar RCS echo; (b) backscatter ratio profile measured by COBALD; (c) CI profile; (d) RH profile
    Comparison of backscatter ratios measured by lidar and COBALD. (a) Comparison of results using model values as boundary conditions; (b) comparison of results using measured values as boundary conditions
    Fig. 3. Comparison of backscatter ratios measured by lidar and COBALD. (a) Comparison of results using model values as boundary conditions; (b) comparison of results using measured values as boundary conditions
    Comparison of backscatter ratio
    Fig. 4. Comparison of backscatter ratio
    Relative deviation profiles of backscatter ratio
    Fig. 5. Relative deviation profiles of backscatter ratio
    Backscatter ratio measured by lidar on 31th July, 2017
    Fig. 6. Backscatter ratio measured by lidar on 31th July, 2017
    RCS within 24 hours on 14th August, 2017
    Fig. 7. RCS within 24 hours on 14th August, 2017
    Transmitting subsystemReceiver subsystem
    ParameterSpecificationParameterSpecification
    Laser typeLD-pumped Nd∶YAGTelescope typeSchmidt_Cassegrain
    Laser wavelength /nm532Diameter /mm200
    Pulse energy /μJ60Field of view /μrad500
    Pulse duration /ns10Filter bandwidth /nm1
    Pulse repetition frequency /kHz7
    Beam divergence /μrad120
    Data subsystemScanning subsystem
    ParameterSpecificationParameterSpecification
    Detector typePMTAzimuth angle /(°)0~360
    Detection modePhoton countingElevation angle /(°)0~180
    Range resolution /m37.5
    Table 1. Technical parameters of scanning MPL
    System parameterSpecification
    Optical wavelengths /nm455 and 940
    Time resolution /s1(typically)
    Dimensions /(mm×mm×mm)170×40×20
    Weight with batteries /g500
    Power supply /V8×1.5, 2×9
    Altitude /km0~30
    Table 2. Technical parameters of COBALD
    Hui Li, Zhangjun Wang, Haoyue Wang, Chao Chen, Xiangqian Meng, Xingtao Liu, Xianxin Li, Quanfeng Zhuang, Xiufen Wang. Combined Observation of Aerosol Vertical Structure Using Micro-Pulse Lidar and Compact Optical Backscatter Aerosol Detector[J]. Laser & Optoelectronics Progress, 2019, 56(13): 132801
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