Jianhua Wu, Xiaofeng Zhang, Liang Chen, Cheng Peng, Benxiang Wu. Research Progress of All-Fiber Optic Micro-Current Sensor[J]. Laser & Optoelectronics Progress, 2022, 59(17): 1700005
- Laser & Optoelectronics Progress
- Vol. 59, Issue 17, 1700005 (2022)
![Schematic diagram of Faraday effect[13]](/richHtml/lop/2022/59/17/1700005/img_01.jpg)
Fig. 1. Schematic diagram of Faraday effect[13]
Fig. 2. Schematic diagram of AFOCS with polarized structure［16］
![Schematic diagram of AFOCS with annular Sagnac interferometric structure[25]](/Images/icon/loading.gif){kind=icon}
Fig. 3. Schematic diagram of AFOCS with annular Sagnac interferometric structure[25]
Fig. 4. Schematic diagram of AFOCS with reflective Sagnac interference structure[5]
Fig. 5. Principle and structure of solenoid sensor ring［33］. (a) Solenoid equivalence principle; (b) sensing ring structure with solenoid equivalent
Fig. 6. Re-entry optical structure with mirror[39]
Fig. 7. Re-entry optical structure with optical switch[40]
Fig. 8. Helical structure sensing fiber loop[43]
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Table 1. Verdet constant values of different materials[42]
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