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Proceedings Paper

Time-resolved spectra studying of oil pollution in water by laser-induced fluorescence (LIF)
Author(s): Jie Liu; Changqing Yu; Jiaze Li; Jixiang Yan; Baohua Feng; Zhiguo Zhang; Xiulan Zhang
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Paper Abstract

A new method of remote sensor of micro amount oil in water by laser induced fluorescence is presented. In the detecting system, a MODEL YAG571C pulsed triplicated laser (Continuum Corporation of U.S.A.) With wavelength of 355nm, pulse duration of 35ps, pulse energy of 3mJ was used as exciting source. Using multi-track spectrograph as the detector, a computer as the data processor, 355nm laser as the master trigger which contact the SRS-DG535 four channel digital delay/pulse generator, we have obtained fluorescence lifetime of some aromatic pollution materials in water and relevant 3D (time-wavelength-fluorescence intensity) fluorescent diagrams. By analyzing the spectra property, it is possible to discriminate the oil pollution types.

Paper Details

Date Published: 9 October 2000
PDF: 4 pages
Proc. SPIE 4221, Optical Measurement and Nondestructive Testing: Techniques and Applications, (9 October 2000); doi: 10.1117/12.402566
Show Author Affiliations
Jie Liu, Beijing Institute of Technology (China)
Changqing Yu, Beijing Institute of Technology (China)
Jiaze Li, Beijing Institute of Technology (China)
Jixiang Yan, Beijing Institute of Technology (China)
Baohua Feng, Institute of Physics (China)
Zhiguo Zhang, Institute of Physics (China)
Xiulan Zhang, Institute of Physics (China)


Published in SPIE Proceedings Vol. 4221:
Optical Measurement and Nondestructive Testing: Techniques and Applications
FeiJun Song; Frank Chen; Michael Y.Y. Hung; H.M. Shang, Editor(s)

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