Development of a High-Sensitivity and Adjustable FBG Strain Sensor for Structural Monitoring
Heying Qin,
Chunde Li,
Jianqiang Zhu
et al.
Abstract:In this paper, a new fiber Bragg grating (FBG) strain sensor with adjustable sensitivity is invented. The sensitivity adjustment, strain sensing, and temperature compensation principles of the sensor and the corresponding formulae are developed. The prototype sensor specimen is developed, and a series of tests are performed to investigate its strain sensitivity and temperature compensation characteristics. The results show that the strain sensitivity of the sensor can be adjusted effectively by the corresponde… Show more
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