Acta Photonica Sinica, Volume. 49, Issue 8, 0801001(2020)

Characteristics of Ultraviolet Pulse Echo on Non-spherical Haze

Tai-fei ZHAO1...2, Shi-qi WANG1,2, Jian-wei ZHANG1,2, and Zhen CUI12 |Show fewer author(s)
Author Affiliations
  • 1Faculty of Automation and Information Engineering, Xi'an University of Technology, Xi'an 710048, China
  • 2Shaanxi Civil-Military Integration Key Laboratory of Intelligence Collaborative Networks, Xi'an 710000, China
  • show less
    Figures & Tables(26)
    Schematic diagram of non-spherical particle
    The model of haze detection by UV backscattering
    Scattering phase function for ellipsoidal
    Scattering phase function for cylindrical
    Scattering phase function for Chebyshev haze with different parameters
    Backscattering echo of ellipsoidal haze with different concentration of UV pulse
    Peak power of pulse echo for ellipsoidal haze
    Full width at half maximum of pulse echo for ellipsoidal haze
    Peak power of pulse echo for ellipsoidal haze with different half axis ratio
    Full width at half maximum of pulse echo for ellipsoidal haze with different half axis ratio
    Backscattering echo of cylindrical haze with different concentration of UV pulse
    Peak power of pulse echo for cylindrical haze
    Full width at half maximum of pulse echo for cylindrical haze
    Peak power of pulse echo for cylindrical haze with different diameter to length ratio
    Full width at half maximum of pulse echo for cylindrical haze with different diameter to length ratio
    Backscattering echo of Chebyshev haze with different concentration of UV pulse
    Peak power of pulse echo for Chebyshev haze
    Full width at half maximum of pulse echo for Chebyshev haze
    Peak power of pulse echo for Chebyshev haze with different deformation parameters
    Full width at half maximum of pulse echo for Chebyshev haze with different deformation parameters
    Peak power of pulse echo for Chebyshev haze with different ripple parameters
    Full width at half maximum of pulse echo for Chebyshev haze with different ripple parameters
    • Table 1. Radius and density of haze [16]

      View table
      View in Article

      Table 1. Radius and density of haze [16]

      TypeRadius/μmConcentration/cm3
      Aitken10-3~10-210-4~102
      Haze10-2~110~103
      Droplet1~1010~100
    • Table 2. Scale spectrum distribution of haze

      View table
      View in Article

      Table 2. Scale spectrum distribution of haze

      TypeSize distribution
      WASO(σ=0.81,rc=0.03 μm)
      BC(σ=0.69,rc=0.011 μm)
      DUST(σ=0.92,rc=0.47 μm)
    • Table 3. Relevant scattering parameters of haze particles list

      View table
      View in Article

      Table 3. Relevant scattering parameters of haze particles list

      HazeCext/μm2Csca/μm2Cabs/μm2AlbedoAsymmetry factor
      a/b=1/22.144 22.008 40.135 80.936 60.779 1
      a/b=1/32.124 71.994 30.130 40.938 50.798 1
      a/b=2/12.136 22.001 70.134 50.9370.747 3
      a/b=2/32.194 32.052 60.141 70.935 50.779 6
      a/b=3/12.065 21.944 30.120 90.941 40.841 2
      a/b=3/22.189 42.046 30.143 10.934 60.815 7
      D/L=1/22.048 11.925 10.1230.939 70.792 4
      D/L=1/32.024 21.897 60.126 60.937 20.821 6
      D/L=2/12.034 31.922 20.112 10.944 80.784 1
      D/L=2/32.098 31.9710.127 30.939 30.777 1
      D/L=3/12.021 11.898 30.122 80.939 10.833 6
      D/L=3/22.071 71.944 20.127 50.938 60.774 2
      Chebyshev haze2.211 32.068 20.143 10.935 30.773 7
      Spherical haze2.225 62.081 50.144 10.935 20.831 3
    • Table 4. Partial simulation parameter

      View table
      View in Article

      Table 4. Partial simulation parameter

      ParameterValue
      Laser wavelength/nm266
      Laser divergence angle/mrad5
      Emission optical lens diameter /mm12
      Receiving optical lens diameter/mm25
      Emission photon number106
      Haze concentration/(μg·m-3)100,200,300,400,500
    Tools

    Get Citation

    Copy Citation Text

    Tai-fei ZHAO, Shi-qi WANG, Jian-wei ZHANG, Zhen CUI. Characteristics of Ultraviolet Pulse Echo on Non-spherical Haze[J]. Acta Photonica Sinica, 2020, 49(8): 0801001

    Download Citation

    EndNote(RIS)BibTexPlain Text
    Save article for my favorites
    Paper Information

    Category: Atmospheric and Oceanic Optics

    Received: Apr. 22, 2020

    Accepted: Jun. 1, 2020

    Published Online: Nov. 27, 2020

    The Author Email:

    DOI:10.3788/gzxb20204908.0801001

    Topics