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Acta Optica Sinica, Volume. 39, Issue 6, 0601001(2019)

Effect of Aerosol on Polarization Distribution of Sky Light

Yan Cui*, Xiguang Zhang, Xinchang Zhou, Yafei Liu, and Jinkui Chu
Author Affiliations
  • Key Laboratory of Precision & Non-Traditional Machining of Ministry of Education, Dalian University of Technology, Dalian, Liaoning 116024, China
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    AbstractGet PDF(in Chinese)
    Figures&Tables (9)
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    References (17)
    Cited By (9)
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    Figures & Tables(9)
    Degree of polarization of meridian versus observation altitude angle under different aerosol types

    Fig. 1. Degree of polarization of meridian versus observation altitude angle under different aerosol types

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    Angle of polarization of meridian versus observation altitude angle under different aerosol types

    Fig. 2. Angle of polarization of meridian versus observation altitude angle under different aerosol types

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    Degree of polarization of meridian versus observation altitude angle at different test time

    Fig. 3. Degree of polarization of meridian versus observation altitude angle at different test time

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    Angle of polarization of meridian versus observation altitude angle at different test time

    Fig. 4. Angle of polarization of meridian versus observation altitude angle at different test time

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    Structural diagram of image measuring system

    Fig. 5. Structural diagram of image measuring system

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    Polarization distribution patterns from actual test. (a)(d)(g) Original images; (b)(e)(h) patterns of degree of polarization; (c)(f)(i) patterns of angle of polarization

    Fig. 6. Polarization distribution patterns from actual test. (a)(d)(g) Original images; (b)(e)(h) patterns of degree of polarization; (c)(f)(i) patterns of angle of polarization

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    • Table 1. Compositions of aerosol types

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      Table 1. Compositions of aerosol types

      Aerosol typeComponentNi /cm-3Mi /(μg·m-3)Number mixing ratio njMass mixing ratio mj
      Total26008.8--
      Continental cleanWater soluble26005.210.591
      Insoluble0.153.60.577×10-40.409
      Total1530024--
      ContinentalWater soluble7000140.4580.583
      averageInsoluble0.49.50.261×10-40.396
      Soot83000.50.5420.021
      Total5000047.7--
      ContinentalWater soluble1570031.40.3140.658
      pollutedInsoluble0.614.20.12×10-40.298
      Soot343002.10.6860.044
      Total15800099.4--
      UrbanWater soluble28000560.1770.563
      Insoluble1.535.60.949×10-50.358
      Soot1300007.80.8230.079
      Total2300225.8--
      Water soluble200040.870.018
      DesertMineral (nuc.)269.57.50.1170.033
      Mineral (acc.)30.5168.70.01330.747
      Mineral (coa.)0.14245.60.617×10-40.202
      Total152042.5--
      MaritimeWater soluble150030.9870.071
      cleanSea salt (acc.)2038.60.01320.908
      Sea salt (coa.)3.2×10-30.90.211×10-50.021
      Total900047.4--
      MaritimeWater soluble38007.60.4220.16
      pollutedSea salt (acc.)2038.60.222×10-20.814
      Sea salt (coa.)3.2×10-30.90.356×10-60.019
      Soot51800.30.5760.006
      Total60020.8--
      MaritimeWater soluble5901.20.9830.058
      tropicalSea salt (acc.)1019.30.01670.928
      Sea salt (coa.)1.3×10-30.30.217×10-50.014

    • Table 2. Positions of sun

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      Table 2. Positions of sun

      TimeAltitude angle /(°)Azimuthal angle /(°)
      2018-10-17T10:0035.73-30.32
      2018-10-17T11:0040.00-12.38
      2018-10-17T12:0040.556.97
      2018-10-17T13:0037.2725.50
      2018-10-17T14:0030.8041.55
      2018-10-17T15:0022.0854.88
      2018-10-17T16:0011.9366.10

    • Table 3. Test time and atmospheric conditions

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      Table 3. Test time and atmospheric conditions

      TimeMi of PM10 /(μg·m-3)Mi of PM2.5 /(μg·m-3)TimeMi of PM10 /(μg·m-3)Mi of PM2.5 /(μg·m-3)
      2018-10-17T10:002018-10-17T11:002018-10-17T12:002018-10-17T13:002018-10-17T14:002018-10-17T15:002018-10-17T16:002019-01-05T10:0028283031272728531091011999282019-01-05T11:002019-01-05T12:002019-01-05T13:002019-01-07T10:002019-01-07T11:002019-01-07T12:002019-01-07T13:0045444499103999421212065666359
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    Yan Cui, Xiguang Zhang, Xinchang Zhou, Yafei Liu, Jinkui Chu. Effect of Aerosol on Polarization Distribution of Sky Light[J]. Acta Optica Sinica, 2019, 39(6): 0601001

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    Paper Information

    Category: Atmospheric Optics and Oceanic Optics

    Received: Nov. 19, 2018

    Accepted: Feb. 19, 2019

    Published Online: Jun. 17, 2019

    The Author Email: Cui Yan (yanc@dlut.edu.cn)

    DOI:10.3788/AOS201939.0601001

    Topics

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