Photonic crystal fiber injected with Fe3O4 nanofluid for magnetic field detection - art. no. 161101

[摘要]：We report a magnetic field sensor having advantages of both photonic crystal fiber and optofluidics, combining them on a single platform by infiltrating small amount of Fe3O4 magnetic optofluid/nanofluid in cladding holes of polarization-maintaining photonic crystal fiber. We demonstrated that magnetic field of few mT can be easily and very well detected with higher sensitivity of 242 pm/mT. The change in the birefringence values has been correlated to the response of nanofluid to applied field. (C) 2011 American Institute of Physics. [doi: 10.1063/1.3651490]

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