Simulation Investigation of Multi-Angle Polarization Reflection Characteristics for Marine Oil Spill Detection

Xiaoning Luan; Yukun Liao; Kun Zhuo; Daoxia Yan; Bing Mu; Ping Qin; Qian Li; Ying Kang

doi:10.3788/AOS221162

Journals >Acta Optica Sinica >Volume 43 >Issue 6 >Page 0612004 > Article

Acta Optica Sinica
Vol. 43, Issue 6, 0612004 (2023)

Simulation Investigation of Multi-Angle Polarization Reflection Characteristics for Marine Oil Spill Detection

Xiaoning Luan¹, Yukun Liao¹, Kun Zhuo¹, Daoxia Yan¹, Bing Mu¹, Ping Qin², Qian Li¹, and Ying Kang^1、*

Author Affiliations

¹College of Physics and Opto-Electronic Engineering, Ocean University of China, Qingdao 266100, Shandong, China

²College of Electronic Engineering, Ocean University of China, Qingdao 266100, Shandong, China

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DOI: 10.3788/AOS221162 Cite this Article Set citation alerts

Xiaoning Luan, Yukun Liao, Kun Zhuo, Daoxia Yan, Bing Mu, Ping Qin, Qian Li, Ying Kang. Simulation Investigation of Multi-Angle Polarization Reflection Characteristics for Marine Oil Spill Detection[J]. Acta Optica Sinica, 2023, 43(6): 0612004 Copy Citation Text

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Fig. 1. Schematic of incidence and observation geometric coordinates of inclined micro slope on rough sea surface

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Effect of incident zenith angle on the spatial distribution of DOLP of reflected flare from the surface of clean sea water and floating oil slick. (a) nwater=1.34,θs=15°; (b) nwater=1.34,θs =45°; (c) nwater=1.34,θs =56°; (d) noil =1.64,θs =15°; (e) noil=1.64,θs =45°; (f) noil =1.64,θs =56°

Fig. 2. Effect of incident zenith angle on the spatial distribution of DOLP of reflected flare from the surface of clean sea water and floating oil slick. (a) n_water=1.34,θ_s=15°; (b) n_water=1.34,θ_s=45°; (c) n_water=1.34,θ_s=56°; (d) n_oil=1.64,θ_s=15°; (e) n_oil=1.64,θ_s=45°; (f) n_oil=1.64,θ_s=56°

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$Spatial distribution of DOLP of reflected flare from oil slick with different refractive index and relative difference DDOLP with those reflected from clean water. (a) noil =1.44,θs =45°; (b) noil =1.54,θs=45°; (c) noil =1.64, θs =45°; (d) nwater =1.34, noil=1.44; (e) nwater=1.34, noil=1.54; (f) nwater=1.34, noil=1.64$

Fig. 3. Spatial distribution of DOLP of reflected flare from oil slick with different refractive index and relative difference D_DOLP with those reflected from clean water. (a) n_oil=1.44,θ_s=45°; (b) n_oil=1.54,θ_s=45°; (c) n_oil=1.64, θ_s=45°; (d) n_wate_r=1.34, n_oil=1.44; (e) n_water=1.34, n_oil=1.54; (f) n_water=1.34, n_oil=1.64

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Fig. 4. Spatial distribution of DOLP and D_DOLP of solar flare reflected from surface of clean water and oil slick as well as sensitive oil slick polarization detection angle. (a) DOLP at θ_s=15° and φ_v=0°; (b) DOLP at θ_s=15° and φ_v=90° (270°); (c) DOLP at θ_s=15° and φ_v=180°; (d) D_DOLP at θ_s=15° and φ_v=0°; (e) D_DOLP at θ_s=15° and φ_v=90°(270°); (f) D_DOLP at θ_s=15° and φ_v=180°; (g) DOLP at θ_s=45° and φ_v=180°; (h) DOLP at θ_s=53° and φ_v=180°; (i) DOLP at θ_s=60° and φ_v=180°; (j) D_DOLPat θ_s=45° and φ_v=180°; (k) D_DOLP at θ_s=53° and φ_v=180°; (l) D_DOLP at θ_s=60° and φ_v=180°; (m) detection angleat n_oil=1.44 and θ_s+θ_vm=81°; (n) detection angleat n_oil=1.54 and θ_s+θ_vm=82°; (o) detection angleat n_oil=1.64 and θ_s+θ_vm=83°

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Coefficient	Wind speed v_wind /（m·s^-1）
Coefficient	Clean sea surface	Floating oil slick
$σ_{X}^{'}$	（0.00316×v_wind）^1/2		（0.003+0.0084×v_wind）^1/2
$σ_{Y}^{'}$	（0.003+0.00192×v_wind）^1/2		（0.005+0.0078×v_wind）^1/2
C₂₁	0.01-0.0086×v_wind		0
C₀₃	0.04-0.0033×v_wind		0.02
C₄₀	0.40		0.36
C₂₂	0.12		0.10
C₀₄	0.23		0.26

Table 1. Gram-Charlier parameters

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