Deyang Wang, Honghu Zhu, Yong Zhu, Bin Shi, He Qi. Performances of Distributed Fiber Optic Strain Sensor with Thin-Walled Ring[J]. Laser & Optoelectronics Progress, 2019, 56(10): 100602
- Laser & Optoelectronics Progress
- Vol. 56, Issue 10, 100602 (2019)
Fig. 1. Measurement principle offully-distributed BOTDA
Fig. 2. Measurement principle of quasi-distributed FBG
Fig. 3. Schematic of thin-walled ring under loading
Fig. 4. Structural diagram of ring
Fig. 5. Strain distribution of ring
Fig. 6. Fitted results of experimental data using cosine functions
Fig. 7. Result comparison of FBG and BOTDA
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Table 1. Parameters of FBG sensor
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Table 2. Parameter comparison of FBG and BOTDA monitoring technologies
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