期刊
IEEE SENSORS JOURNAL
卷 19, 期 20, 页码 8971-8978出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/JSEN.2018.2828646
关键词
Zn0.5Mn0.5Fe2O4-Fe3O4; magnetic field sensor; magnetic fluid; polymer optical fiber; composite
资金
- University of Yasouj
A highly sensitive and simple design of intensity based magnetic field sensor is proposed and experimentally demonstrated with a safe data transformation by employing optical fiber as a magnetic resonance-compatible sensor. The middle section of polymer optical fiber (POF) with 1.5 cm length was tapered with different diameter and roughness. The as-prepared fibers were surrounded with various magnetic fluids (MF). In order to evaluate the MF influence on the sensing performance, experimental comparative behavior studies were performed with incorporating different as-synthesized MF at different volume concentrations of Fe3O4 and various materials (Zn0.5Mn0.5Fe2O4 and composite: Zn0.5Mn0.5Fe2O4-Fe3O4). The prepared nanoparticles were characterized by X-ray diffraction pattern, scanning electron microscopy, vibrating sample magnetometer, and atomic force microscopy. Characteristic results confirmed the formation of Fe3O4 nanoparticles with height profile less than 10 nm and cubic spine! structure. The refractive index of the MF-coated fiber, acting as a fiber clad, is modulated corresponds to the applied magnetic field and thus, presents an attractive opportunity for magnetic sensing applications. The obtained results revealed that the proposed POF-based sensor with 0.5 mm diameter and average 12 nm surface roughness of POF coated with composite MF exhibited efficient response. The proposed device is capable of detecting magnetic field with linear response of over 99% in the wide range of 2.5-150 mT measurements.
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