Li SUN, Xinxin SUN, Tianqi LIANG, Chuang LI, Chunwei ZHANG. Study on Strain Transfer Mechanism of Three Dimensions Printing Encapsulated Fiber Bragg Grating Sensor[J]. Acta Photonica Sinica, 2021, 50(9): 0906002
- Acta Photonica Sinica
- Vol. 50, Issue 9, 0906002 (2021)
Fig. 1. Design drawing of 3D-printing fiber grating strain sensor with clamped
Fig. 2. The physical of 3D-printing fiber grating strain sensor with clamped
Fig. 3. Analysis of the forces on the micro elements symmetric with the x -axis
Fig. 4. The deformation coordination condition of each part of the microelement which is symmetric with the x -axis
Fig. 5. Effect of elastic modulus of 3D-printing on strain transmissibility
Fig. 6. Effect of 3D-printing layer thickness on strain transmissibility
Fig. 7. Effect of fiber bond length on strain transmissibility
Fig. 8. Effect of the elastic modulus of 3D-printing packaging layer on the average strain transmissibility
Fig. 9. Effect of encapsulation layer thickness on average strain transmissibility
Fig. 10. Effect of fiber bond length on average strain transmissibility
Fig. 11. Calibration test and 3D-printing fiber grating strain sensor with clamped
Fig. 12. Calibration of 3D-printing fiber grating strain sensor
Fig. 13. Three times load test of 3D-printing fiber grating strain sensor
Fig. 14. Three times unload test of 3D-printing fiber grating strain sensor
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Table 1. 3D-printing fiber Bragg grating strain sensor dimensions
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Table 2. Physical and mechanical parameters of optical fiber and 3D-printing protective layer
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Table 3. Average strain transmissibility of elastic modulus of different 3D-printing packaging layers
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Table 4. Average strain transmissibility of different 3D-printing encapsulation thickness
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Table 5. Average strain transmissibility of different fiber bond lengths
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Table 6. Sensing characteristics of 3D-printing fiber Bragg grating strain sensor
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Table 7. Linearity of 3D-printing fiber grating strain sensor
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Table 8. Hysteresis of 3D-printing fiber Bragg grating strain sensor
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Table 9. Repeatability of 3D-printing fiber Bragg grating strain sensor
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