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Proceedings Paper

Laser-induced fluorescent characteristic of micro-mineral oil in water
Author(s): Liping Shang; Xinzheng Zhang; Jingjun Xu; Na Zhang
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Paper Abstract

Laser-induced fluorescence emission contains information about both spectra and time, so the different shapes, intensities and fluorescent lifetimes of fluorescence emission spectra can be used to measure the categories and contents of fluorescent substances with high sensitivity and good selectivity. To measure the oil micro-contamination in water, we utilized femtosecond ultraviolet laser pulse (fs Laser: MaiTai, Spectra Physics, US) as driving source and gated enhanced type ICCD (Time-resolved Fluorescence Spectroscopy, Lavision, German) as detector. We carried through laser-induced fluorescence measurement on DaGang crude oils and machine oils, accomplished data processing, and analyzed the differences of shapes of fluorescence spectra and lifetimes between crude oil and refined oil.

Paper Details

Date Published: 26 January 2005
PDF: 5 pages
Proc. SPIE 5627, High-Power Lasers and Applications III, (26 January 2005); doi: 10.1117/12.575180
Show Author Affiliations
Liping Shang, Nankai Univ. (China)
Yanshan Univ. (China)
Xinzheng Zhang, Nankai Univ. (China)
Jingjun Xu, Nankai Univ. (China)
Na Zhang, Yanshan Univ. (China)


Published in SPIE Proceedings Vol. 5627:
High-Power Lasers and Applications III
Dianyuan Fan; Ken-ichi Ueda; Jongmin Lee, Editor(s)

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