Chuanbiao Zhang, Xiongyan Tang, Guangquan Wang, Min Zhang, Shikui Shen. Research Frontier of Communication and Sensing Integration Technology for Optical Networks[J]. Laser & Optoelectronics Progress, 2023, 60(1): 0100001
- Laser & Optoelectronics Progress
- Vol. 60, Issue 1, 0100001 (2023)
![Typical light scattering in quartz optical fiber[14]](/richHtml/lop/2023/60/1/0100001/img_01.jpg)
Fig. 1. Typical light scattering in quartz optical fiber[14]
![Typical OTDR system structure diagram[14]](/richHtml/lop/2023/60/1/0100001/img_02.jpg)
Fig. 2. Typical OTDR system structure diagram[14]
![Typical P-OTDR system structure diagram[15]](/Images/icon/loading.gif){kind=icon}
Fig. 3. Typical P-OTDR system structure diagram[15]
Fig. 4. Typical C-OTDR system structure diagram[17]
Fig. 5. Typical RDTS system structure diagram[22]
Fig. 6. Typical BOTDR system structure diagram[25]
Fig. 7. Fiber optic route detection experiment[30]. (a) Experimentally selected optical fiber path; (b) mechanical vibration device with GPS; (c) distributed optical fiber sensing system
Fig. 8. Monitoring system with protection function[37]
Fig. 9. Optical network monitoring system based on BOTDR[38]
Fig. 10. Intrusion monitoring by distributed optical fiber sensing technology[41]. (a) Bidirectional transmission system; (b) experimental result
Fig. 11. Traffic monitoring using distributed optical fiber sensing technology[43-44]. (a) System setup; (b) vehicle condition monitoring
Fig. 12. Traffic monitoring experiment[45]. (a) Routing identification of carrier optical cable used in experiment; (b) data processing based on Hough transform algorithm; (c) vehicle feature extraction based on decision threshold
Fig. 13. High-voltage line monitoring experiment between substations[47]. (a) System schematic diagram; (b) temperature and icing monitoring of line
Fig. 14. Pipeline monitoring by communication optical cable[51]. (a) Location identification of experiment; (b) gas leak monitoring;
Fig. 15. Confusion matrix for feature recognition[18]. (a) One-dimensional convolutional neural network method; (b) traditional machine learning method
Fig. 16. Proportion of DTS application in various fields according to literature statistics[59]
Fig. 17. Temperature test at bottom of Lake Geneva[60]. (a) Schematic diagram of original optical cable resources; (b) temperature data obtained in experiment
Fig. 18. Earthquake monitoring experiment[19,64]. (a) Schematic diagram of sea cable system; (b) cross-sectional drawings of sea cable; (c) seismic fault zone data obtained by optical fiber sensors
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Table 1. Typical optical scattering and distributed sensing techniques in optical fibers
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