Journal of Applied Optics, Volume. 45, Issue 4, 873(2024)
Research and simulation of fiber sensor for weak magnetic field detection
Figures & Tables(10)
Fig. 3. Relationship between magnetic field and RI of magnetic fluid at different temperatures
Fig. 5. Dispersion relation curves under different magnetic field intensities (T=25 ℃)
Fig. 6. Amplitude sensitivity of sensor under different magnetic field intensities (T=25 ℃)
Fig. 7. Polynomial fitting of sensor magnetic field intensity and resonant wavelength (T=25 ℃)
Table 1. Amplitude/wavelength sensitivity, resolution, limit of detection, and quality factor under different magnetic field intensities
View tableView in ArticleTable 1. Amplitude/wavelength sensitivity, resolution, limit of detection, and quality factor under different magnetic field intensities
磁场强度/(Oe) 100 250 500 750 1000 幅度灵敏度/ (Oe−1) −1.07×10−1 −7.7×10−2 −3.2×10−2 −1.4×10−2 −0.7×10−2 波长灵敏度/ (nm∙Oe−1) 0.43 0.50 0.55 0.40 0.30 分辨力/(Oe) 2.3×10−2 2.0×10−2 1.8×10−2 2.5×10−2 3.3×10−2 检测限/ (Oe2∙nm−1) 5.3×10−2 4.0×10−2 3.3×10−2 6.3×10−2 1.1×10−1 品质因数/ (Oe−1) 6.73×10−2 5.00×10−2 2.89×10−2 1.06×10−2 4.88×10−3
Table 2. Performance comparison between proposed sensor and other magnetic field sensors
View tableView in ArticleTable 2. Performance comparison between proposed sensor and other magnetic field sensors
文献 检测范围/Oe 幅度灵敏度/(Oe−1) 波长灵敏度/(nm·Oe−1) 分辨力/Oe 品质因数/(RIU−1) [ 9 ]50~130 − 0.59 1.00×10−1 374.3 [ 14 ]0~1 000 − 0.16 − 4.23×103 [ 7 ]90~1 000 −5.52×10−3 0.56 1.77×10−1 − [ 18 ]0~500 − 0.044 − − 本文 80~1 000 −1.07×10−1 0.55 1.80×10−2 719.5
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Xinyu ZHAO, Xingfang JIANG, Zhiqiang RUAN, Lei ZHANG. Research and simulation of fiber sensor for weak magnetic field detection[J]. Journal of Applied Optics, 2024, 45(4): 873
Paper Information
Category: Research Articles
Received: May. 10, 2023
Accepted: --
Published Online: Oct. 21, 2024
The Author Email: JIANG Xingfang (江兴方)
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