Time-resolved Fluorescence Spectroscopy of oil spill detected by Ocean Lidar

doi:10.1117/12.2244837

	Time-resolved Fluorescence Spectroscopy of oil spill detected by Ocean Lidar
	Li Xiao-long 1,2; Chen Yong-hua 1; Li Jie 2,3; Jiang Jingbo 1; Ni Zuotao 1; Liu Zhi-shen 2
	2016
关键词	Oil spill Ocean Lidar Intensified CCD (ICCD) Time-resolved fluorescence Principal component analysis (PCA)
卷号	10155
DOI	10.1117/12.2244837
英文摘要	Based on time-resolved fluorescence of oils, an oceanographic fluorescence Lidar was designed to identify oil pollutions. A third harmonic (at 355nm) of Nd:YAG laser is used as the excitation source, and the fluorescence intensities and lifetimes of oil fluorescence at wavelength from 380 nm to 580 nm are measured by an intensified CCD (ICCD). In the experiments, time-resolved fluorescence spectra of 20 oil samples, including crude oils, fuel oils, lubricating oil, diesel oils and gasoline, are analyzed to discuss fluorescence spectral characteristics of samples for oil classification. The spectral characteristics of oil fluorescence obtained by ICCD with delay time of 2 ns, 4 ns, and 6 ns were studied by using the principal component analysis (PCA) method. Moreover, an efficient method is used to improve the recognition rate of the oil spill types, through enlarging spectral differences of oil fluorescence at different delay times. Experimental analysis shows that the optimization method can discriminate between crude oil and fuel oil, and a more accurate classification of oils is obtained by time-resolved fluorescence spectroscopy. As the result, comparing to traditional fluorescence spectroscopy, a higher recognition rate of oil spill types is achieved by time-resolved fluorescence spectroscopy which is also a feasibility technology for Ocean Lidar.
会议录	OPTICAL MEASUREMENT TECHNOLOGY AND INSTRUMENTATION
会议录出版者	SPIE-INT SOC OPTICAL ENGINEERING
会议录出版地	1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA
语种	英语
WOS研究方向	Instruments & Instrumentation ; Optics ; Imaging Science & Photographic Technology
WOS记录号	WOS:000391499200027
内容类型	会议论文
源URL	[http://ir.fio.com.cn:8080/handle/2SI8HI0U/25902]
专题	自然资源部第一海洋研究所
通讯作者	Li Xiao-long
作者单位	1.Chinese Acad Sci, Inst Oceanol, Qingdao 266071, Peoples R China 2.Ocean Univ China, Ocean Remote Sensing Inst, Qingdao 266003, Peoples R China 3.State Ocean Adm, Inst Oceanog 1, Qingdao 266061, Peoples R China
推荐引用方式 GB/T 7714	Li Xiao-long,Chen Yong-hua,Li Jie,et al. Time-resolved Fluorescence Spectroscopy of oil spill detected by Ocean Lidar[C]. 见:.