Chenying Qi, Changping Xu, Yangbo Bai, Bin Li, Yinping Miao. High-Sensitivity Magnetic Field Sensor Based on Non-Adiabatic Micro-Fiber[J]. Chinese Journal of Lasers, 2021, 48(24): 2406003
- Chinese Journal of Lasers
- Vol. 48, Issue 24, 2406003 (2021)
Fig. 1. Microscopic photo of micro-fiber structure and Comsol simulated mode field of micro-fiber. (a) Microscopic photo of micro-fiber structure; (b) Comsol simulated mode field of micro-fiber
Fig. 2. Schematic diagram of experimental device
Fig. 3. Transmission spectrum of single-mode micro-fiber structure before and after magnetic fluid encapsulation
Fig. 4. Transmission spectrum whit the applied magnetic field intensity changes
Fig. 5. Relationship between interference peak wavelength shift and external magnetic field
Fig. 6. Magnetic field intensity sensitivity of interference peak versus its corresponding wavelength
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