Polarization Characteristics of Multi-Angle Visible Light of Oil Spill Target in Rough Water Environment

Wei Zhang; Juntong Zhan; Su Zhang; Qiang Fu; Yingchao Li; Jin Duan; Shicheng Bao; Huilin Jiang

doi:10.3788/AOS221428

Journals >Acta Optica Sinica >Volume 43 >Issue 6 >Page 0601010 > Article

Acta Optica Sinica
Vol. 43, Issue 6, 0601010 (2023)

Polarization Characteristics of Multi-Angle Visible Light of Oil Spill Target in Rough Water Environment

Wei Zhang^1、2, Juntong Zhan^1、*, Su Zhang¹, Qiang Fu¹, Yingchao Li¹, Jin Duan³, Shicheng Bao^1、2, and Huilin Jiang¹

Author Affiliations

¹National and Local Joint Engineering Research Center for Space Optoelectronics Technology, Jilin Key Laboratory of Space Optoelectronics Technology, Changchun University of Science and Technology, Changchun 130022, Jilin, China

²School of Opto-Electronic Engineering, Changchun University of Science and Technology, Changchun 130022, Jilin, China

³School of Electronics and Information Engineering, Changchun University of Science and Technology, Changchun 130022, Jilin, China

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DOI: 10.3788/AOS221428 Cite this Article Set citation alerts

Wei Zhang, Juntong Zhan, Su Zhang, Qiang Fu, Yingchao Li, Jin Duan, Shicheng Bao, Huilin Jiang. Polarization Characteristics of Multi-Angle Visible Light of Oil Spill Target in Rough Water Environment[J]. Acta Optica Sinica, 2023, 43(6): 0601010 Copy Citation Text

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Fig. 1. Geometric diagram of BRDF

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Fig. 2. Schematic of inclined micro plane unit

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Fig. 3. Experimental principle and reflection diagram. (a) Schematic of experimental principle; (b) schematic of specular reflection; (c) schematic of diffuse reflection and volume scattering

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Fig. 4. Physical diagram of experimental device. (a) Experimental device diagram; (b) experimental site picture

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Fig. 5. Comparison curves of the degree of polarization of seawater under different models

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Fig. 6. Simulation value and measured value of the degree of linear polarization when incident zenith angle

θ_{i}

=50° and relative azimuth angle

φ_{r}

=180°

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Fig. 7. Simulation results of the degree of linear polarization of different oils in

2 π

observation space. (a) Engine oil; (b) crude oil; (c) diesel oil; (d) kerosene; (e) gasoline; (f) seawater

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Fig. 8. Simulation value and measured value of the degree of linear polarization when incident zenith angle

θ_{i}

=50° and view zenith angle

θ_{r}

=50°

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Fig. 9. Simulation results of the degree of linear polarization of diesel in

2 π

observation space. (a)

θ_{i}

=10°; (b)

θ_{i}

=20°; (c)

θ_{i}

=30°; (d)

θ_{i}

=40°; (e)

θ_{i}

=50°; (f)

θ_{i}

=60°; (g)

θ_{i}

=70°; (h)

θ_{i}

=80°

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Fig. 10. Relationship between incident zenith angle and view zenith angle of different oils and degree of linear polarization when the relative azimuth angle is 180°. (a) Engine oil; (b) crude oil; (c) diesel oil; (d) kerosene; (e) gasoline; (f) seawater

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Fig. 11. Simulation value and measured value of the degree of linear polarization when incident zenith angle

θ_{i}

=30°, 40°, 50° and relative azimuth angle

φ_{r}

=180°. (a) Engine oil; (b) crude oil; (c) diesel oil; (d) kerosene; (e) gasoline; (f) seawater

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Fig. 12. Measured curves of relationship between wavelength and degree of linear polarization

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Material	$n$	$k$	$c$	$ρ_{0}$	$R_{\infty}$
Seawater	1.35	0.00284	0.931	0.061	0.076
Engine oil	1.45	0.886	0.937	0.352	0.624
Crude oil	1.47	0.0000362	0.826	0.029	0.041
Diesel oil	1.48	0.385	0.952	0.181	0.352
Kerosene	1.40	0.939	0.941	0.367	0.648
Gasoline	1.42	1.431	0.988	0.379	0.677

Table 1. Parameter inversion results

Material	Engine oil	Crude oil	Diesel oil	Kerosene	Gasoline	Seawater
Confidence /%	88.3	87.2	86.9	85.2	90.8	87.6

Table 2. Confidence of simulation model for different oils at 50° incident zenith angle, 180° relative azimuth angle, and 0°-60° view zenith angle

Material	Engine oil	Crude oil	Diesel oil	Kerosene	Gasoline	Seawater
Confidence /%	89.3	84.5	89.7	81.6	82.9	86.1

Table 3. Confidence of model for different oils at 50° incident zenith angle, 50° view zenith angle, and 120°-240° relative azimuth

Material	Engine oil	Crude oil	Diesel oil	Kerosene	Gasoline	Seawater
Confidence /%	84.1	85.2	88.7	82.9	85.4	86.2

Table 4. Confidence of model for different oils at 30°, 40°, and 50° incident zenith angle, 0°-90° view zenith angle, and 180° relative azimuth angle

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