• Journal of Applied Optics
  • Vol. 45, Issue 4, 768 (2024)
Li ZHEN, Naiyi GE, Haitao ZHANG, Yelong ZHENG..., Meirong ZHAO and Yinguo HUANG*|Show fewer author(s)
Author Affiliations
  • State Key Laboratory of Precision Measurement Technology and Instruments, Tianjin University, Tianjin 300072, China
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    DOI: 10.5768/JAO202445.0403001 Cite this Article
    Li ZHEN, Naiyi GE, Haitao ZHANG, Yelong ZHENG, Meirong ZHAO, Yinguo HUANG. Experimental study of scattering angle for large-scale turbidity measurement[J]. Journal of Applied Optics, 2024, 45(4): 768 Copy Citation Text show less
    Schematic diagram of scattering phase function
    Fig. 1. Schematic diagram of scattering phase function
    Schematic diagram of experiment
    Fig. 2. Schematic diagram of experiment
    Physical drawing of measuring device
    Fig. 3. Physical drawing of measuring device
    Schematic diagram of system integral design
    Fig. 4. Schematic diagram of system integral design
    Experimental results of multi-angle scattering
    Fig. 5. Experimental results of multi-angle scattering
    Segmentation fitting results of 135° scattering curves
    Fig. 6. Segmentation fitting results of 135° scattering curves
    Measurement fitting results after reducing 135° scattered path
    Fig. 7. Measurement fitting results after reducing 135° scattered path
    标准液浊度/NTU0100150250500800
    散射角度θ/(°)01125456075
    标准液浊度/NTU10001250150018002000
    散射角度θ/(°)90105120135145
    Table 1. Experimental standard solution and scattering angles
    散射角度θ/(°)拟合所需最小阶数最大误差/%
    4564.65
    6044.97
    7534.53
    9024.35
    10523.35
    12023.19
    13514.22
    14534.33
    Table 2. Minimum fitting order with fitting error less than 5%
    浊度/NTU斜率R2
    100~2 0000.517 20.97
    100~8000.753 20.99
    800~1 5000.505 60.98
    1 500~2 0000.342 60.99
    Table 3. Segmentation fitting of 135° scattering light signal
    浊度/NTU斜率R2
    100~2 0000.683 50.97
    100~8001.013 30.98
    800~1 5000.573 20.99
    1 500~2 0000.526 40.98
    Table 4. Segmentation fitting after reducing 135° scattered path
    Li ZHEN, Naiyi GE, Haitao ZHANG, Yelong ZHENG, Meirong ZHAO, Yinguo HUANG. Experimental study of scattering angle for large-scale turbidity measurement[J]. Journal of Applied Optics, 2024, 45(4): 768
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