Hao Zhang. A Fiber Current Sensor Based on Single Light Path Detection and Loop Scheme[J]. Laser & Optoelectronics Progress, 2018, 55(6): 060604
- Laser & Optoelectronics Progress
- Vol. 55, Issue 6, 060604 (2018)
Fig. 1. Configuration of fiber current sensor based on fiber loop scheme
Fig. 2. Configuration of fiber current sensor based on single light path detection and fiber loop scheme
Fig. 3. Evolution process of light polarization between the SPSM couplers, which only allows light polarized along the slow axis to pass through
Fig. 4. Experiment setup
Fig. 5. Output results under different currents measured by digital oscilloscope
Fig. 6. Relationship between current intensity and normalized light intensity
Fig. 7. Relationship between round number K and current sensitivity k
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