Zhenwei CHEN, Huanquan CHEN, Wenhui SHI, Jianyu LI, Jiajin ZHENG, Wei WEI. Design， Fabrication and Performance Research of a High Precision FBG Micro-displacement Sensor with Temperature Compensation[J]. Acta Photonica Sinica, 2021, 50(9): 0906006
- Acta Photonica Sinica
- Vol. 50, Issue 9, 0906006 (2021)
Fig. 1. Schematic diagram of FBG displacement and temperature compensation sensor designed in this paper （FBG1： displacement； FBG2： temperature）
Fig. 2. Test diagram of FBG displacement and temperature compensation sensor system
Fig. 3. Physical image of FBG displacement sensor
Fig. 4. Displacement cycle test diagram of fiber grating sensor
Fig. 5. Test diagram of temperature compensation of FBG displacement sensor with different substrates
Fig. 6. Fitting curve of temperature and wavelength drift of FBG displacement sensor
Fig. 7. Temperature compensation error diagram of FBG displacement sensor
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Table 1. Table for calculation and analysis of standard deviation of each shift point
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Table 2. Temperature compensation performance of displacement sensors with quartz and aluminum alloy as substrates
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Table 3. Quartz substrate fiber grating displacement sensor temperature error analysis table
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