Chuansheng Li, Haiming Shao, Shaoyi Xu, Guang Chen, Jiafu Wang. Nonlinear Error Mechanism and Suppression Method of Fiber-Optic High-Current Sensors[J]. Acta Optica Sinica, 2023, 43(11): 1128001
- Acta Optica Sinica
- Vol. 43, Issue 11, 1128001 (2023)
Fig. 1. Configuration diagram of optical-fiber high current sensor
Fig. 2. Variation of normalized scale factor of the senor with measured current for different pigtail polarization crosstalk of phase modulator
Fig. 3. Variation of normalized scale factor of the senor with measured current for different parameters of retarder
Fig. 4. Variation of normalized scale factor of the senor with measured current for different pitches of sensing fiber
Fig. 5. Effect of bending radius of the sensing fiber coil on the nonlinear error compensation results
Fig. 6. Calibration device and test results for fiber-optic high current sensor. (a) Calibration device; (b) error test results
Fig. 7. Influence of parameter errors of quarter-wave retarder on nonlinear error compensation effect
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