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Proceedings Paper

Research on fiber optic evanescent wave biosensor based on correlation detection
Author(s): Lixin Deng; Ying Feng; Guangwen Jiang; Lian Wei; Long Liu
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Paper Abstract

A fiber-optic evanescent wave biosensor has been developed, using fiber bundle to transmit excitation laser beam and fluorescence signal. Based on the theory of evanescent wave and mode matching in probe, the geometric configuration of probe is designed, and the detection ability of this sensing system in direct binding is tested... The system is tested in two cases, in one case the probe is put in airs and in the other case the probe is put in water, the signal data is collected to computer by DAQ devices at the same time, then make correlation detection with this data. The experiment results show that the correlation detection method can distinguish the system noise and the detected fluorescence signal clearly. The system has good feasibility.

Paper Details

Date Published: 19 May 2006
PDF: 5 pages
Proc. SPIE 6150, 2nd International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optical Test and Measurement Technology and Equipment, 61502M (19 May 2006); doi: 10.1117/12.676905
Show Author Affiliations
Lixin Deng, National Univ. of Defense Technology (China)
Ying Feng, National Univ. of Defense Technology (China)
Guangwen Jiang, National Univ. of Defense Technology (China)
Lian Wei, National Univ. of Defense Technology (China)
Long Liu, National Univ. of Defense Technology (China)


Published in SPIE Proceedings Vol. 6150:
2nd International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optical Test and Measurement Technology and Equipment
Xun Hou; Jiahu Yuan; James C. Wyant; Hexin Wang; Sen Han, Editor(s)

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