Laser-induced fluorescent characteristic of micro-mineral oil in water

Liping Shang; Xinzheng Zhang; Jingjun Xu; Na Zhang

doi:10.1117/12.575180

26 January 2005 Laser-induced fluorescent characteristic of micro-mineral oil in water

Liping Shang, Xinzheng Zhang, Jingjun Xu, Na Zhang

Proceedings Volume 5627, High-Power Lasers and Applications III; (2005) https://doi.org/10.1117/12.575180
Event: Photonics Asia, 2004, Beijing, China

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.

Citation Download Citation

Liping Shang, Xinzheng Zhang, Jingjun Xu, and Na Zhang "Laser-induced fluorescent characteristic of micro-mineral oil in water", Proc. SPIE 5627, High-Power Lasers and Applications III, (26 January 2005); https://doi.org/10.1117/12.575180

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