• Acta Photonica Sinica
  • Vol. 49, Issue 8, 0801001 (2020)
Tai-fei ZHAO1、2, Shi-qi WANG1、2, Jian-wei ZHANG1、2, and Zhen CUI1、2
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
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    DOI: 10.3788/gzxb20204908.0801001 Cite this Article
    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 Copy Citation Text show less
    Schematic diagram of non-spherical particle
    Fig. 1. Schematic diagram of non-spherical particle
    The model of haze detection by UV backscattering
    Fig. 2. The model of haze detection by UV backscattering
    Scattering phase function for ellipsoidal
    Fig. 3. Scattering phase function for ellipsoidal
    Scattering phase function for cylindrical
    Fig. 4. Scattering phase function for cylindrical
    Scattering phase function for Chebyshev haze with different parameters
    Fig. 5. Scattering phase function for Chebyshev haze with different parameters
    Backscattering echo of ellipsoidal haze with different concentration of UV pulse
    Fig. 6. Backscattering echo of ellipsoidal haze with different concentration of UV pulse
    Peak power of pulse echo for ellipsoidal haze
    Fig. 7. Peak power of pulse echo for ellipsoidal haze
    Full width at half maximum of pulse echo for ellipsoidal haze
    Fig. 8. Full width at half maximum of pulse echo for ellipsoidal haze
    Peak power of pulse echo for ellipsoidal haze with different half axis ratio
    Fig. 9. 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
    Fig. 10. 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
    Fig. 11. Backscattering echo of cylindrical haze with different concentration of UV pulse
    Peak power of pulse echo for cylindrical haze
    Fig. 12. Peak power of pulse echo for cylindrical haze
    Full width at half maximum of pulse echo for cylindrical haze
    Fig. 13. 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
    Fig. 14. 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
    Fig. 15. 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
    Fig. 16. Backscattering echo of Chebyshev haze with different concentration of UV pulse
    Peak power of pulse echo for Chebyshev haze
    Fig. 17. Peak power of pulse echo for Chebyshev haze
    Full width at half maximum of pulse echo for Chebyshev haze
    Fig. 18. Full width at half maximum of pulse echo for Chebyshev haze
    Peak power of pulse echo for Chebyshev haze with different deformation parameters
    Fig. 19. 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
    Fig. 20. 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
    Fig. 21. 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
    Fig. 22. Full width at half maximum of pulse echo for Chebyshev haze with different ripple parameters
    TypeRadius/μmConcentration/cm3
    Aitken10-3~10-210-4~102
    Haze10-2~110~103
    Droplet1~1010~100
    Table 1. Radius and density of haze [16]
    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 2. Scale spectrum distribution of haze
    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 3. Relevant scattering parameters of haze particles list
    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
    Table 4. Partial simulation parameter
    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
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