Research Progress of Distributed Sensing and Composite Sensing Based on Optical Frequency Domain Reflectometer

Yi Tang; Zhiyu Feng; Yu Cheng; Ming Chen; Houquan Liu; Hongchang Deng; Chuanxin Teng; Shijie Deng; Libo Yuan

doi:10.3788/LOP231641

Laser & Optoelectronics Progress, Volume. 61, Issue 15, 1500003(2024)

Research Progress of Distributed Sensing and Composite Sensing Based on Optical Frequency Domain Reflectometer

Yi Tang^1,2, Zhiyu Feng^1,2, Yu Cheng^1,2、*, Ming Chen^1,2, Houquan Liu^1,2, Hongchang Deng^1,2, Chuanxin Teng^1,2, Shijie Deng^1,2, and Libo Yuan^1,2

Author Affiliations

¹School of Optoelectronic Engineering, Guilin University of Electronic Science and Technology, Guilin 541004, Guangxi, China

²Guangxi Key Laboratory of Optoelectronic Information Processing, Guilin 541004, Guangxi, China

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Figures & Tables(11)

Fig. 1. An OFDR system based on Mach-Zehnder interferometer^[12]

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Fig. 2. Beat frequency interference schematic of nonlinear sweep frequency^[24]

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Fig. 3. Schematic diagram of φ-OFDR system^[38]

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Fig. 4. TGD-OFDR system diagram^[46]

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Fig. 5. Flowchart of data processing in the OFDR-based distributed optical sensing system^[53]

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Fig. 6. Crack locations detected by OFDR^[57]

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Fig. 7. Schematic diagram of vibration sensing algorithm based on Rayleigh scattering. (a) CCSA algorithm^[60]; (b) M-CCSA algorithm^[61]

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$Schematic diagram of the experimental device of the new fiber optic refractometer[68]$

Fig. 8. Schematic diagram of the experimental device of the new fiber optic refractometer^[68]

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Fig. 9. Schematic diagram of OFDR combined with other sensors. (a) FBG^[76]; (b) F-P^[85]

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Table 1. Research progress of high spatial resolution OFDR

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Table 1. Research progress of high spatial resolution OFDR

Year	Algorithm	Spatial performance	Reference
2017	Phase demodulation scheme	E_S=1 με，R_S=10 cm	［34］
2019	Self-reference method	R_S=40 μm	［35］
2020	Inner-pulse division and rotating-vector-sum methods	E_S=1 με，R_S=12 cm	［38］
2021	Equal frequency resampling	R_S=12.1 μm	［40］
2021	Total variation method and 2D Gaussian filter arithmetic	R_S=13 mm	［41］
2021	Distance compensation and image wavelet denoising method	E_S=20 με，R_S=2.56 cm	［42］
2022	Step-by-step and image wavelet denoising methods	E_T=0.24 ℃，R_S＝3.2 mm	［43］
2023	Self-compensation method	R_S＝3—5 mm	［37］

Table 2. Research progress of long limit sensing distance OFDR

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Table 2. Research progress of long limit sensing distance OFDR

Year	Core technology	Spatial resolution /m	Distance /km	Reference
2015	TGD-OFDR	1.6	110	［46］
2015	TGD-OFDR	3.5	40	［47］
2017	M-CCSA algorithm	13	92	［24］
2017	Injection-locking technique and FWM	0.042	10	［50］
2019	Analyzing and eliminating the main noise	2.5	25	［45］
2019	Optoelectronic phase-locked loop	0.72	200	［51］
2020	Auxiliary weak reflection points	10	100	［49］
2021	TGD-OFDR	2.8	80	［48］
2023	OPLL and ultra-weak grating arrays	0.025	2.2	［52］

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Yi Tang, Zhiyu Feng, Yu Cheng, Ming Chen, Houquan Liu, Hongchang Deng, Chuanxin Teng, Shijie Deng, Libo Yuan. Research Progress of Distributed Sensing and Composite Sensing Based on Optical Frequency Domain Reflectometer[J]. Laser & Optoelectronics Progress, 2024, 61(15): 1500003

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Paper Information

Category: Reviews

Received: Jul. 3, 2023

Accepted: Aug. 22, 2023

Published Online: Aug. 12, 2024

The Author Email: Yu Cheng (chengyu_tom@163.com)

DOI:10.3788/LOP231641

CSTR:32186.14.LOP231641

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology