Guang Chen, Keqin Ding, Qibo Feng, Zhan Gao. Strain Transfer Mechanism of End-Bonding Fibre Bragg Grating Sensors Based on Linear Viscoelasticity[J]. Laser & Optoelectronics Progress, 2018, 55(11): 110604
- Laser & Optoelectronics Progress
- Vol. 55, Issue 11, 110604 (2018)
Fig. 1. Schematic of surface adhesive and end-bonding FBG sensor
Fig. 2. Side view of bare FBG bonded on matrix surface
Fig. 3. Schematic of strain transfer
Fig. 4. Standard linear solid model
Fig. 5. Influences of adhesive layer parameters on strain transfer rate. (a) Length; (b) width; (c) Young's modulus; (d) thickness of lower part
Fig. 6. Finite element meshes
Fig. 7. Comparison between theoretical solutions and results obtained by FEM
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Table 1. Physical parameters of optical fiber
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Table 2. Physical parameters of adhesive layer
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