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Proceedings Paper

Practical studies on bridge compensating technique in fiber optic sensors
Author(s): Bing Qi; Wei Peng; Jianhua Ding; Junxiu Lin
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Paper Abstract

The use of optical bridge compensating structure in fiber optic sensor is studied thoroughly in this article. The stability of the compensating structure is essential to achieve good results. A fiber optic pressure sensor based on this compensating structure has been put into practical operation for oil storage measurement in tanks, and the long term stability of the sensor is better than 0.2 percent. This compensating technique has also been used in a LADAR fiber optic liquid level sensor system which combine discrete frequency IMCW LADAR and fiber optic sensor technique together, realized liquid level measurement effectively. Our studies proved that optical bridge compensating technique must be used with appropriate structure in different kinds of sensors and are very important to sure of the stability of fiber optic sensor.

Paper Details

Date Published: 13 August 1998
PDF: 6 pages
Proc. SPIE 3555, Optical and Fiber Optic Sensor Systems, (13 August 1998);
Show Author Affiliations
Bing Qi, Tsinghua Univ. (United States)
Wei Peng, Dalian Univ. of Technology (United States)
Jianhua Ding, Dalian Univ. of Technology (China)
Junxiu Lin, Dalian Univ. of Technology (China)

Published in SPIE Proceedings Vol. 3555:
Optical and Fiber Optic Sensor Systems
Shanglian Huang; Kim D. Bennett; David A. Jackson, Editor(s)

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