• Laser & Optoelectronics Progress
  • Vol. 58, Issue 5, 0529002 (2021)
Jinghang He1, Jin Duan1、2、*, Juntong Zhan2, Liqun He1, Lijuan Cai1, and Su Zhang2
Author Affiliations
  • 1Electronics and Information Engineering Institute, Changchun University of Science and Technology, Changchun , Jilin 130022, China
  • 2NUERC of Space Optoelectronics Technology, Changchun University of Science and Technology, Changchun , Jilin 130022, China
  • show less
    DOI: 10.3788/LOP202158.0529002 Cite this Article Set citation alerts
    Jinghang He, Jin Duan, Juntong Zhan, Liqun He, Lijuan Cai, Su Zhang. Analysis of Influence of Underwater Medium Concentration on Laser Polarization Transmission Characteristics[J]. Laser & Optoelectronics Progress, 2021, 58(5): 0529002 Copy Citation Text show less
    Flowchart of Monte Carlo simulation
    Fig. 1. Flowchart of Monte Carlo simulation
    Reference coordinate system rotation
    Fig. 2. Reference coordinate system rotation
    Schematic diagram of polarization transmission experiment
    Fig. 3. Schematic diagram of polarization transmission experiment
    Physical diagram of experimental device. (a) Laser emitting end; (b) medium transmitting end; (c) signal receiving end
    Fig. 4. Physical diagram of experimental device. (a) Laser emitting end; (b) medium transmitting end; (c) signal receiving end
    Simulation curves of degree of polarization decreasing with increase of optical thickness
    Fig. 5. Simulation curves of degree of polarization decreasing with increase of optical thickness
    Experimental results of effect of optical thickness on degree of polarization
    Fig. 6. Experimental results of effect of optical thickness on degree of polarization
    ComponentParameter
    532 nm laserPower 50 mW, 1 set
    Polarization state measuring instrumentReceiving range 400-700 nm, 1 set
    Optical power meter

    Sensor wavelength rangea 185 nm-25 μm,

    power range 100 pW to 200 W, 1 set

    Energy splitting prismTR=50%∶50%,1 piece
    Water tank100 cm×45 cm×45 cm,1 piece
    Attenuator1‒9 times fixed attenuation, 1 group
    Linear polarizer400‒900 nm、20 mm clear aperture,1 piece
    1/4 wave plate532 nm、20 mm clear aperture,1 piece
    ComputerProcessor is Intel core i7,2 sets
    Table 1. Components required for experiment
    Number density of polystyrene beads /()Optical thickness
    0.010.22
    0.500.46
    1.000.98
    1.301.37
    1.601.70
    10.001.99
    50.002.30
    100.002.99
    Table 2. Correspondence between number density of polystyrene beads and optical thickness
    Jinghang He, Jin Duan, Juntong Zhan, Liqun He, Lijuan Cai, Su Zhang. Analysis of Influence of Underwater Medium Concentration on Laser Polarization Transmission Characteristics[J]. Laser & Optoelectronics Progress, 2021, 58(5): 0529002
    Download Citation