Xiaodong Zhang, Xiaoliang Zhu, Yao Yu, Jiayi Chen, Zecheng Sun. Capillary Optical Fiber Sensor for Real-Time Monitoring of High-Voltage Transmission Lines Sag[J]. Laser & Optoelectronics Progress, 2022, 59(7): 0728001
- Laser & Optoelectronics Progress
- Vol. 59, Issue 7, 0728001 (2022)
Fig. 1. Cross section of the COF
Fig. 2. Experimental setup of the sensing system
Fig. 3. Mode field distribution of the straight COF. (a) Two-dimensional distribution; (b) three-dimensional distribution; (c) top view
Fig. 4. Mode distribution of the bending COF (R=7 cm). (a) Two-dimensional distribution; (b) three-dimensional distribution; (c) top view
Fig. 5. Mode distribution of the bending COF (R=6 cm). (a) Two-dimensional distribution; (b) three-dimensional distribution; (c) top view
Fig. 6. Relationship between curvature radius and bending loss
Fig. 7. Bending loss measured in different directions. (a) Measurement results in different directions; (b) theoretical predicted value and experimental result
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