The Study of Oil Film Thickness Measurement on Water Surface Based on Laser Raman Spectroscopy
CAI Zong-qi1, FENG Wei-wei1, 2*, WANG Chuan-yuan1
1. Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Coastal Environment Engineering Technology Research Center, Yantai 264003, China
2. University of Chinese Academy of Sciences, Beijing 100049, China
Abstract：In order to realize the fast and non-contact detection of oil film thickness on water surface, a system based on laser Raman spectroscopy technologywas introduced in this paper. The 532 nm laser was used as the exciting source, and the result shows there is obvious difference between the Raman spectra of diesel and gasoline on water surfacewhich have the same oil film thickness, the spectral intensity of 97# gasoline is stronger than that of 90# gasoline at 1 651 cm-1. With the increase of oil film thickness, the spectral intensities of 316，1 451 and 1 651 cm-1 are enhanced, the calculation factor rfilm of oil film thickness shows a decreasing trend. The experiment result shows that the Raman spectroscopy can be used as a reference for oil film thickness inthe application.
Key words：Raman spectra; Oil film thickness; Water environment monitoring
蔡宗岐，冯巍巍，王传远. 基于激光拉曼光谱的水面油膜厚度测量方法研究[J]. 光谱学与光谱分析, 2018, 38(06): 1661-1664.
CAI Zong-qi, FENG Wei-wei, WANG Chuan-yuan. The Study of Oil Film Thickness Measurement on Water Surface Based on Laser Raman Spectroscopy. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2018, 38(06): 1661-1664.
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