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Proceedings Paper

FBG moisture sensor system using SOA-based fiber laser with temperature compensation
Author(s): Liyin Han; Lutang Wang; Nian Fang; Huishan Cui; Zhaoming Huang
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Paper Abstract

We present a novel FBG moisture sensor system using a SOA-based fiber laser with two FBG sensors as resonator mirrors. Two FBG sensors have same temperature coefficient and one of FBGs is coated by polyamide resin film as moisture sensing material. This system is insensitive to temperature changes and the output power of the system is only dependent on the moisture level to be monitored. The operation principle of the system is introduced and the initial experimental results are demonstrated.

Paper Details

Date Published: 29 November 2011
PDF: 7 pages
Proc. SPIE 8311, Optical Sensors and Biophotonics III, 831129 (29 November 2011); doi: 10.1117/12.904364
Show Author Affiliations
Liyin Han, Shanghai Univ. (China)
Lutang Wang, Shanghai Univ. (China)
Nian Fang, Shanghai Univ. (China)
Huishan Cui, Shanghai Univ. (China)
Zhaoming Huang, Shanghai Univ. (China)


Published in SPIE Proceedings Vol. 8311:
Optical Sensors and Biophotonics III
Jürgen Popp, Editor(s)

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