Comparative Analysis of Strain Monitoring of the Installed Optical Fiber Composite Overhead Ground Wire Using BOTDA/R

Meng Xia; Xiaohui Tang; Ying Wang; Shulin Zhang; Hui Jiang; Yongkang Dong

doi:10.3788/AOS202040.1506001

Acta Optica Sinica, Volume. 40, Issue 15, 1506001(2020)

Comparative Analysis of Strain Monitoring of the Installed Optical Fiber Composite Overhead Ground Wire Using BOTDA/R

Meng Xia^1,2, Xiaohui Tang^1,2, Ying Wang³, Shulin Zhang³, Hui Jiang³, and Yongkang Dong^1、*

¹National Key Laboratory of Science and Technology on Tunable Laser, School of Astronautics, Harbin Institute of Technology, Harbin, Heilongjiang 150001, China

²RealPhotonics Co., Ltd., Anshan, Liaoning 114000, China

³State Grid Corporation Information and Communication Branch, Beijing 100761, China

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Figures & Tables(8)

Fig. 1. Experimental setup. (a) BOTDA; (b) BOTDR; (c) physical photo

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Fig. 2. Measurement results obtained in the laboratory. (a) BOTDA; (b) BOTDR

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Fig. 3. Monitoring diagram. (a) BOTDA; (b) BOTDR

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Fig. 4. Comparison of effective distances measured by BOTDA and BOTDR

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Fig. 5. Comparison of results measured by BOTDA and BOTDR

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Fig. 6. Comparison of downlead results measured by BOTDA and BOTDR

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Fig. 7. Comparison of strain results measured by BOTDA and BOTDR

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Table 1. BOTDA and BOTDR performance comparison

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Table 1. BOTDA and BOTDR performance comparison

Equipment	Length	Spatialresolution /m	Accuracy /με	Workmode	MeasuringTime /min	Amplifier
BOTDA	120 kmin laboratory	10	±20	Loop	5	Need
BOTDA	95 kmin actual line	10	±20	Loop	5	Need
BOTDR	80 kmin laboratory	50	±80	Single-ended	8
BOTDR	68 kmin actual line	50	±80	Single-ended	8

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Meng Xia, Xiaohui Tang, Ying Wang, Shulin Zhang, Hui Jiang, Yongkang Dong. Comparative Analysis of Strain Monitoring of the Installed Optical Fiber Composite Overhead Ground Wire Using BOTDA/R[J]. Acta Optica Sinica, 2020, 40(15): 1506001

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Paper Information

Category: Fiber Optics and Optical Communications

Received: Mar. 31, 2020

Accepted: Apr. 29, 2020

Published Online: Aug. 14, 2020

The Author Email: Dong Yongkang (aldendong@163.com)

DOI:10.3788/AOS202040.1506001

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology