Chengcheng Wang, Ronghua Fan, Genzhu Wu, Baojin Peng, Feng Zhang. Characteristics of All-Optical-Fiber Magnetic Field Sensor Based on Magnetic Fluid Coating and Cooling Tapering[J]. Laser & Optoelectronics Progress, 2020, 57(1): 010602
- Laser & Optoelectronics Progress
- Vol. 57, Issue 1, 010602 (2020)
Fig. 1. Experimental setup diagram of magnetic field sensing
Fig. 2. Microimage of SMF-PCF sensing region. (a) Cross section of PCF; (b) Before welding of SMF and PCF; (c) after welding of SMF and PCF
Fig. 3. Transmission spectra for different taper lengths
Fig. 4. PCF micrographs of different tapering methods. (a) Intermittent cooling tapering PCF cone area; (b) manual discharge tapering PCF cone area
Fig. 5. Transmission spectra before and after tapering in sensing region
Fig. 6. Transmission spectra before and after magnetic fluid filling
Fig. 7. Transmission spectra for different magnetic field intensities. (a) Total transmission spectra; (b) transmission spectra of dip3
Fig. 8. Variation of wavelength with magnetic field intensity
Fig. 9. Transmission spectra at different temperatures
Fig. 10. Variation of wavelength with temperature
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