Laser & Optoelectronics Progress, Volume. 60, Issue 9, 0928004(2023)
Research on Three-Dimensional Fiber Optic Vectors of Magnetic Field Sensor Based on Magneto-Optical Crystals
Figures & Tables(7)
Fig. 1. Schematic diagram. (a) Faraday magneto-optical effect; (b) optical fiber three-dimensional magnetic field sensor probe based on magneto-optical crystal
Fig. 2. Model diagram of three-dimensional magnetic field sensor based on the orthogonal correction analysis of magneto-optical crystal fiber
Fig. 3. Optical fiber three-dimensional magnetic field sensing system. (a) System composition diagram; (b) structure diagram of magneto-optical crystal sensing probe
Fig. 4. Test results of sensing coefficients of three sensing units of three-dimensional fiber optic vector magnetic field sensor based on magneto-optical crystal
Fig. 5. Triaxial orthogonal calibration experiment of three-dimensional magnetic field sensor based on magneto-optical crystal. (a) Measuring device for included angle of sensing unit; (b) schematic diagram of the principle of measuring the angle of sensing unit, and the included angle of two sensing units ωab=ωb0－ωa0
Fig. 6. Measurement results of the three-dimensional fiber optic vector magnetic field sensor based on magneto-optical crystal. (a) Measurement results of three-dimensional sensor when YOZ plane rotates 720° parallel to magnetic field vector; (b) measurement results of three-dimensional sensor when XOZ plane rotates 720° parallel to magnetic field vector; (c) measurement results of three-dimensional sensor when the magnetic field vector rotates 5° in steps of 0.5°
Table 1. Measurement results of the angle between two of the three sensing units of fiber three-dimensional magnetic field sensor based on magneto-optical crystal
View tableTable 1. Measurement results of the angle between two of the three sensing units of fiber three-dimensional magnetic field sensor based on magneto-optical crystal
Number of times /（°） /（°） /（°） Standard deviation 0.191 0.257 0.218 1 89.7 90.0 85.8 2 90.1 90.2 85.7 3 90.0 90.2 85.8 4 90.1 90.1 85.5 5 89.6 89.6 85.3 6 89.7 90.0 85.5 7 89.7 89.6 85.5 8 90.1 89.6 85.8 9 89.7 90.1 86.1 10 89.8 90.3 85.8 Average 89.9 90.0 85.7
Tools
Get Citation
Copy Citation Text
Xuan Zhang, Peng Hao, Ya Su, Penghui Yao, X. Steve Yao. Research on Three-Dimensional Fiber Optic Vectors of Magnetic Field Sensor Based on Magneto-Optical Crystals[J]. Laser & Optoelectronics Progress, 2023, 60(9): 0928004
Paper Information
Category: Remote Sensing and Sensors
Received: Mar. 4, 2022
Accepted: May. 6, 2022
Published Online: May. 9, 2023
The Author Email: Hao Peng (haopeng@hbu.edu.cn)
© Copyright 2018-2021 | Chinese Laser Press.
All Rights Reserved 沪ICP备15018463号-20