Multi-Mechanism Distributed Fiber-Optic Sensing Technology

Linjing Huang; Xiao Zhou; Xinyu Fan; Feng Wang; Xuping Zhang; Zuyuan He

doi:10.3788/AOS231516

Acta Optica Sinica, Volume. 44, Issue 1, 0106007(2024)

Multi-Mechanism Distributed Fiber-Optic Sensing Technology

Linjing Huang¹, Xiao Zhou^2,3, Xinyu Fan^1、*, Feng Wang^2,3、**, Xuping Zhang^2,3, and Zuyuan He¹

¹State Key Laboratory of Advanced Optical Communication Systems and Networks, Shanghai Jiao Tong University, Shanghai 200240, China

²Key Laboratory of Intelligent Optical Sensing and Manipulation, Ministry of Education, Nanjing University, Nanjing 210023, Jiangsu , China

³College of Engineering and Applied Science, Nanjing University, Nanjing 210023, Jiangsu , China

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Figures & Tables(14)

Fig. 1. Experimental setup of combined system based on the same detection pulse

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Fig. 2. Combined system of BOTDA and φ-OTDR

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Fig. 3. Combined system of OCC-BOTDA and φ-OTDR

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Fig. 4. Time-division multiplexing combined system of BOTDA and φ-OTDR

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Fig. 5. Space-division multiplexing combined system of BOTDA and φ-OTDR

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Fig. 6. Wavelength-division multiplexing combined system of BOTDA and φ-OTDR

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Fig. 7. Combined system of CP-BOTDA and CP-φ-OTDR

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Fig. 8. Rayleigh-Brillouin combined system for multi-parameter simultaneous measurement

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Fig. 9. Combined system of φ-OTDR and ROTDR based on heterodyne detection

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Fig. 10. Combined system of cyclic coding BOTDA and ROTDR

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Fig. 11. Combined system for simultaneous measurement of multiple parameters with separable temperature and strain

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Fig. 12. Distributed optical fiber sensing system combined with interferometric structure

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Fig. 13. Combined system of BOTDA with various fiber gratings

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Table 1. Summary of distributed optical fiber sensing systems based on different scattering mechanism

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Table 1. Summary of distributed optical fiber sensing systems based on different scattering mechanism

Scattering	Year	Scheme	Parameter	Multiplexing or special fiber	Access	Temperature-strain discrimination
Rayleigh and Brillouin scattering	2016	φ-OTDR/BOTDR^［4］	Vibration/temperature/strain	-	Single	No
	2022	φ-OTDR/BOTDR^［5］	Vibration/temperature/strain	-	Single	No
	2021	φ-OTDR/BOTDA^［6］	Vibration/temperature/strain	-	Double	No
	2020	φ-OTDR/OCC-BOTDA^［7］	Vibration/temperature/strain	-	Double	No
	2013	COTDR/single-end BOTDA^［8］	Breaking point/temperature/strain	TDM	Single	No
	2016	φ-OTDR/BOTDR^［9］	Vibration/temperature/strain	TDM	Single	No
	2018	φ-OTDR/BOTDA^［10］	Vibration/temperature/strain	TDM/WDM/FDM	Double	No
	2017	φ-OTDR/BOTDA^［11］	Vibration/temperature/strain	SPM/multi-core fiber	Double	No
	2022	φ-OTDR/BOTDA^［12］	Vibration/temperature/strain	WDM	Double	No
	2013	OFDR/DPP-BOTDA^［13］	Temperature/strain	LEAF	Double	Yes
	2014	TW-COTDR/BOTDA^［14］	Temperature/strain	-	Double	Yes
	2022	CP-OTDR/CP-BOTDA^［15］	Temperature/strain	Non-uniform fiber	Double	Yes
	2021	COTDR/BOTDR^［16］	Temperature/strain	-	Single	Yes
	2022	φ-OTDR/single-end BOTDA^［17-18］	Vibration/temperature/strain	-	Single	No
Rayleigh and Raman scattering	2014	φ-OTDR/ROTDR^［19］	Vibration/temperature	TDM	Single	No
	2018	φ-OTDR/ROTDR^［20］	Vibration/temperature	SDM/multi-core fiber	Single	No
	2016	φ-OTDR/ROTDR^［21］	Vibration/temperature	-	Single	No
	2021	φ-OTDR/ROTDR^［22］	Vibration/temperature	-	Single	No
	2018	φ-OTDR/ROTDR^［23］	Vibration/temperature	-	Single	No
Brillouin and Raman scattering	2004	BOTDR/ROTDR^［24］	Temperature/strain	-	Single	Yes
	2006	BOTDA/ROTDR^［25］	Temperature/strain	-	Double	Yes
	2013	BOTDA/ROTDR^［26］	Temperature/strain	-	Double	Yes
	2016	BOTDR/ROTDR^［27］	Temperature/strain	SDM/multi-core fiber	Single	Yes
Rayleigh Brillouin and Raman scattering	2023	φ-OTDR/single-end BOTDA/ROTDR^［28］	Vibration/temperature/strain	-	Single	Yes

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Linjing Huang, Xiao Zhou, Xinyu Fan, Feng Wang, Xuping Zhang, Zuyuan He. Multi-Mechanism Distributed Fiber-Optic Sensing Technology[J]. Acta Optica Sinica, 2024, 44(1): 0106007

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Paper Information

Category: Fiber Optics and Optical Communications

Received: Sep. 4, 2023

Accepted: Oct. 30, 2023

Published Online: Jan. 12, 2024

The Author Email: Xinyu Fan (fan.xinyu@sjtu.edu.cn), Feng Wang (wangfeng@nju.edu.cn)

DOI:10.3788/AOS231516

CSTR:32393.14.AOS231516

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