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Acta Optica Sinica, Volume. 38, Issue 10, 1012001(2018)

Fast Measurement and Cloud Detection of Solar Transmission Ratio at Different Fields of View

Dong Yang1,2、*, Jianyu Li3, Wenqing Xu3、*, Qingshan Xu1、*, and Heli Wei3,4
Author Affiliations
  • 1 Laboratory of Photoelectric Detection, Anhui Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Hefei, Anhui 230031, China
  • 2 Science Island Branch of Graduate School, University of Science and Technology of China, Hefei, Anhui 230031, China
  • 3 Key Laboratory of Atmospheric Optics, Anhui Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Hefei, Anhui 230031, China
  • 4 School of Environmental Science and Optoelectronic Technology, University of Science and Technology of China, Hefei, Anhui 230026, China
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    Figures & Tables(11)
    Phase functions of cirrus, water clouds and aerosol

    Fig. 1. Phase functions of cirrus, water clouds and aerosol

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    Phase function comparison

    Fig. 2. Phase function comparison

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    Changes of transmission ratio of cirrus clouds with effective size and optical thickness at different fields of view. (a) 2.0°/0.8° field of view; (b) 5.0°/0.8° field of view

    Fig. 3. Changes of transmission ratio of cirrus clouds with effective size and optical thickness at different fields of view. (a) 2.0°/0.8° field of view; (b) 5.0°/0.8° field of view

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    Mechanical structure diagram of detecting module of VFOVSP

    Fig. 4. Mechanical structure diagram of detecting module of VFOVSP

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    Schematic of measurement beam path

    Fig. 5. Schematic of measurement beam path

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    Physical structure diagram of instrument

    Fig. 6. Physical structure diagram of instrument

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    Calibration of instrument

    Fig. 7. Calibration of instrument

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    AOT of aerosol at different fields of view

    Fig. 8. AOT of aerosol at different fields of view

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    Comparison of aerosol optical thickness

    Fig. 9. Comparison of aerosol optical thickness

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    Transmission ratio in 670 nm waveband under different weather states and fields of view. (a) November 11, 2017; (b) November 23, 2017; (c) November 29, 2017

    Fig. 10. Transmission ratio in 670 nm waveband under different weather states and fields of view. (a) November 11, 2017; (b) November 23, 2017; (c) November 29, 2017

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    Total transmission flux ratio changes with effective sizes in forward direction small angle. (a) Aerosol; (b) water cloud; (c) cirrus

    Fig. 11. Total transmission flux ratio changes with effective sizes in forward direction small angle. (a) Aerosol; (b) water cloud; (c) cirrus

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    Dong Yang, Jianyu Li, Wenqing Xu, Qingshan Xu, Heli Wei. Fast Measurement and Cloud Detection of Solar Transmission Ratio at Different Fields of View[J]. Acta Optica Sinica, 2018, 38(10): 1012001

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    Paper Information

    Category: Instrumentation, Measurement and Metrology

    Received: Mar. 8, 2018

    Accepted: Apr. 25, 2018

    Published Online: May. 9, 2019

    The Author Email:

    DOI:10.3788/AOS201838.1012001

    Topics

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