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In this paper, we demonstrate a high sensitivity refractive index (RI) sensor with D-shaped structure covered with gold and graphene film. Specifically, the effect of structural parameters on the stability of fiber sensor is analyzed. In our research, it have been found that the sensor we proposed is not very sensitive to the change of structure parameters on the premise of ensuring the sensing precision...
Magnetic field sensor based on magnetic fluid selectively infilling photonic crystal fibers is designed and analyzed by the finite-element method. One cladding air hole is infiltrated with magnetic fluid and works as a defect core. As the phase matched condition is satisfied, the lights in transferring core couple to the defect core and the confinement losses of core modes experience an abrupt increase...
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