A novel high-sensitivity FBG pressure sensor

Zhenhua Yao; Tao Fu; Jinsong Leng

doi:10.1117/12.780335

31 October 2007 A novel high-sensitivity FBG pressure sensor

Zhenhua Yao, Tao Fu, Jinsong Leng

Proceedings Volume 6423, International Conference on Smart Materials and Nanotechnology in Engineering; 64235U (2007) https://doi.org/10.1117/12.780335
Event: International Conference on Smart Materials and Nanotechnology in Engineering, 2007, Harbin, China

Abstract

A novel pressure sensor based on FBG is designed in this paper. Not only in normal environment, also does it accurately work in water and petrol where other conventional sensors can not work normally. In this paper, the principle of the novel sensor is introduced, and two experiments are further performed: One is keeping the sensor flatly in the gastight silo whose pressure is supplied by an air compressing engine, and the other one is keeping the sensor in liquid. The analysis of the result data demonstrates that the sensor possesses high sensitivity, high linearity, high precision and repeatability. Its experimental linearity and sensitivity approach 0.99858 and 5.35×10^-3MPa^-1, respectively. It is also discussed using the sensor to measure the volume in tank.

Citation Download Citation

Zhenhua Yao, Tao Fu, and Jinsong Leng "A novel high-sensitivity FBG pressure sensor", Proc. SPIE 6423, International Conference on Smart Materials and Nanotechnology in Engineering, 64235U (31 October 2007); https://doi.org/10.1117/12.780335

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