Acta Optica Sinica, Volume. 42, Issue 6, 0600004(2022)
Multi-Dimensional Optical Monitoring Method of Marine Ecological Environment Under Complex Sea Conditions
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Fig. 1. Schematic diagram of acquisition mechanism of multi-dimensional high-resolution information of marine targets
Fig. 4. Simulation process of polarization transmission model in "three-nons" environment
Fig. 5. Technical route of research on multi-dimensional high-resolution image reconstruction and restoration methods
Fig. 12. 95% confidence intervals of various sample data. (a) Visible light intensity; (b) visible light polarization; (c) visible light intensity and polarization contrast of each oil relative to seawater
Fig. 14. Different red tide dominant species and seawater polarization images. (a) Pseudo-nitzschia; (b) Skeletonema; (c) seawater
Fig. 15. Variations of polarizations of Pseudo-nitzschia, Skeletonema, and seawater with observation angle
Table 1. Performance parameters of representative instrument abroad for spectral polarization integrated imaging
View tableTable 1. Performance parameters of representative instrument abroad for spectral polarization integrated imaging
Type Core component Year Country Spectral range /μm Spectral resolution Polarization component Acousto-optic tunable filter AOTF+LCVR 2014 USA 0.45--0.81.0--1.6 5 nm15 nm 44 Liquid crystaltunable filter LCTF+LCVR 2002 Italy 0.4--0.8 5 nm 3 LCTF+quarterwave plate 2009 USA 0.4--0.8 10 nm 4 Fractional amplitude Holographic grating 2007 Bulgaria 0.52--0.75 12 nm 4 Computed tomography CTIS 1999 USA 0.44--0.74 20 nm 4 Advanced secondaryslide+polarizer 2005 USA 0.4--0.72 10 nm 4 Grating dispersion Polarization grating+wave plate 2010 USA 0.5--0.7 4 nm 4 Channel modulation Birefringent device 2011 USA 1.5--5.0 46 cm-1 3 Birefringent device 2014 USA 0.4--0.85 555 cm-1 4 Snapshot Photonic crystal filterarray detector 2018 Japan 0.42--0.72 10 nm 3 Bionic spectrum and polarizationsensor of mantis shrimp 2021 USA 0.4--0.75 24 nm 3
Table 2. Performance parameters of national representative instrument for spectral polarization integrated imaging
View tableTable 2. Performance parameters of national representative instrument for spectral polarization integrated imaging
Type Core component Year Institute Spectral range /μm Spectral resolution Polarization component Acousto-optic tunable filter AOTF+LCVR 2015 North University of China 0.45--0.7 10 nm 3 AOTF+LCVR 2015 Harbin Institute of Technology 0.4--0.8 2.5 nm 3 AOTF+LCVR 2017 North University of China 0.4--0.75 5 nm 4 AOTF+LCVR 2018 PLA Army Academy of Artillery and Air Defense 0.45--0.95 2--8 nm 3 Liquid crystal adjustable filter LCTF 2009 Northwestern Polytechnical University 0.4--0.72 10 nm 3 LCTF 2016 Xi’an Technological University 0.4--1.0 0.5 nm 3 Grating dispersion Grating 2015 Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences 0.4--1.0 20 nm 3 Advanced wave plate+grating 2017 Lanzhou Institute of Physics 0.4--1.0 10 nm 3 Modulation Wollaston 2009 Xi’an Jiaotong University 0.4--0.96 180 cm-1 4 Sagnac 2011 Xi’an Institute of Optics and Precision Mechanics 0.58--0.68 800 cm-1 3 Birefringent device 2014 Zhejiang University 0.4--0.8 3 nm 4 Savart+ferroelectric liquid crystal (FLC) 2019 Nanjing University of Science And Technology 0.45--0.95 1.88--8.39 nm 4 Polarization spectral intensity modulation (PSIM) 2019 Changchun University of Science and Technology 0.4--1.0 2--3 nm 3 Birefringent device+FLC 2019 Nanjing University of Science and Technology 0.45--1.0 5 nm 4 Snapshot Line surface conversion fiber+micro polarization array detector 2020 Beijing Institute of Space Mechanics and Electricity 0.43--0.63 1 nm 3
Table 3. Sample parameters
View tableTable 3. Sample parameters
No. Oil sample Density /(g·mL-1) 1 Fuel 0.821 2 Palm oil 0.836 3 Crude oil 0.824 4 Seawater 1.025 5 Gasoline 0.737 6 Diesel oil 0.835
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Haodong Shi, Jiayu Wang, Yingchao Li, Qiang Fu, Yi Ma, Jingping Zhu, Shutao Li, Yan Ma, Huilin Jiang. Multi-Dimensional Optical Monitoring Method of Marine Ecological Environment Under Complex Sea Conditions[J]. Acta Optica Sinica, 2022, 42(6): 0600004
Paper Information
Category: Reviews
Received: Dec. 16, 2021
Accepted: Jan. 30, 2022
Published Online: Mar. 15, 2022
The Author Email: Jiang Huilin (cclgdxkjs@163.com)
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