Magnetic field sensing based on singlemode-multimode-singlemode fiber structures using magnetic fluids as cladding.

@article{Wang2013MagneticFS,
  title={Magnetic field sensing based on singlemode-multimode-singlemode fiber structures using magnetic fluids as cladding.},
  author={Haotian Wang and Shengli Pu and Ning Wang and Shaohua Dong and Juan Huang},
  journal={Optics letters},
  year={2013},
  volume={38 19},
  pages={3765-8}
}
Magnetic field sensing based on magnetic fluid (MF) and a singlemode-multimode-singlemode (SMS) fiber structure is proposed. The sensitivity of the proposed sensing system can be enhanced by corroding the cladding of the multimode fiber of the SMS fiber structure. The achieved maximum magnetic field sensitivity of our experimental structures is -16.86 pm/Oe as the fiber is corroded for 1680 s. The visibility of the interference dip for the MF-clad SMS fiber structure decreases with corrosion… CONTINUE READING
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