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A Novel Fiber Bragg Grating Sensor with Temperature Compensation

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2 Author(s)
Yuchi Lin ; State Key Lab. of Precision Meas. Technol. & Instrum., TianJin Univ. TianJin, Tianjin, China ; Wei Wang

A novel Fiber Bragg Grating sensor with temperature compensation function was designed which can be used for structure health monitoring in harsh environment. The sensor achieved temperature compensation with a reference Fiber Bragg Grating. From the strain experiment and temperature experiment, it showed that the linear fitting degree of the strain curve and temperature curve were above 99%. And the temperature sensitivities of strain Grating and reference Grating were 11.2 pm/ C and 4.3 pm/ C, respectively. Two kinds of Fiber Bragg Grating rosettes based on the designed sensor were introduced which applied the multiplexing ability of FBG and could be used in practice.

Published in:

Photonics and Optoelectronics, 2009. SOPO 2009. Symposium on

Date of Conference:

14-16 Aug. 2009