Numerical investigation of a D-shape optical fiber sensor containing graphene

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In this paper, the reflection properties and sensitivity of a D-shape optical fiber sensor containing graphene are investigated theoretically and numerically. Maxwell’s equations are used to determine the electric and magnetic fields of the incident waves at each layer. Snell’s law is applied, and the boundary conditions are imposed at each layer interface to calculate the reflected power and sensitivity of the sensor. In the numerical results, the mentioned power is computed and illustrated as a function of wavelength, angle of incidence, metal layer kind, and refractive index of the external medium when the graphene layer thickness changes. In addition, the variation of sensitivity with the wavelength of the incident radiations is also proposed in the presence and in the absence of the graphene layer.

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Correspondence to Muin F. Ubeid.

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Ubeid, M.F., Shabat, M.M. Numerical investigation of a D-shape optical fiber sensor containing graphene. Appl. Phys. A 118, 1113–1118 (2015).

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  • Surface Plasmon Resonance
  • Graphene Layer
  • Graphene Film
  • Surface Plasmon Resonance Sensor
  • Surface Plasmon Resonance Biosensor