• Chinese Journal of Lasers
  • Vol. 48, Issue 13, 1306002 (2021)
Renjiao Yu*, Zhenhua Li**, Jiancheng Lai, Chunyong Wang, and Zhixiang Wu
Author Affiliations
  • School of Science, Nanjing University of Science & Technology, Nanjing, Jiangsu 210094, China
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    DOI: 10.3788/CJL202148.1306002 Cite this Article Set citation alerts
    Renjiao Yu, Zhenhua Li, Jiancheng Lai, Chunyong Wang, Zhixiang Wu. Dynamic Propagation Characteristics of 1.55-μm Wavelength Laser in Rain and Fog Coexisting Weather[J]. Chinese Journal of Lasers, 2021, 48(13): 1306002 Copy Citation Text show less
    Relationship between fog attenuation and time. (a) Radiation fog; (b) advection fog
    Fig. 1. Relationship between fog attenuation and time. (a) Radiation fog; (b) advection fog
    Time dependence of transmissivity. (a) Radiation fog; (b) advection fog
    Fig. 2. Time dependence of transmissivity. (a) Radiation fog; (b) advection fog
    Time dependence of transmissivity under different transmission distances. (a) 100 m; (b) 1000m
    Fig. 3. Time dependence of transmissivity under different transmission distances. (a) 100 m; (b) 1000m
    Type of rainfallRain rate R /(mm·h-1)Number density Nd /m-3Average scale Ddg /mmStandard deviation σdg
    Light rain1172.000.722.0
    Moderate rain10285.451.222.0
    Heavy rain100473.732.082.0
    Table 1. Related parameters of different rainfall types
    R /(mm·h-1)110100
    μr /km-10.3621.787.20
    Table 2. Attenuation coefficient of rain with different rain rates
    gμr /m-1ω
    0.85450.362×10-30.6801
    Table 3. Parameters of rain
    Parameter0 h0.5 h1 h2 h3 h4 h5 h
    g0.83130.83040.83610.83170.83600.83040.8332
    μf /m-10.00580.00540.00510.00460.00420.00400.0038
    ω0.99910.99910.99920.99920.99920.99920.9992
    Table 4. Variation of radiation fog parameters with time
    Parameter0 h0.5 h1 h2 h3 h4 h5 h
    g0.80150.79550.79400.80190.82010.83360.8421
    μf /m-10.00440.00208.81×10-42.56×10-41.28×10-48.69×10-56.76×10-5
    ω0.99450.99530.99600.99760.99860.99890.9991
    Table 5. Variation of advection fog parameters with time
    Renjiao Yu, Zhenhua Li, Jiancheng Lai, Chunyong Wang, Zhixiang Wu. Dynamic Propagation Characteristics of 1.55-μm Wavelength Laser in Rain and Fog Coexisting Weather[J]. Chinese Journal of Lasers, 2021, 48(13): 1306002
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