Junbin Fang

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In this paper, a theoretical analysis of figure of merit (FOM) of a surface plasmon resonance (SPR) sensor with a one dimensional (1D) Photonic Crystal (PC)and an anti-oxidizing layer of the graphene has been carried out. The numerical simulation is based on side polished multi mode fiber SPR sensor with the 75 μm residual fiber thickness and 20nm(More)
In this paper, a surface plasmon resonance fiber sensor based on gold nano-column array instead of gold film is designed and optimized. The finite element method (FEM) is used to optimize the sensitivity, resonance wavelength and resonance intensity of the fiber sensor relate to the diameter of the nano-gold column. The optimized sensor has 70 nm gold(More)
A side-imaging technique (SIT) for orienting the azimuthal angle of micro-structured fiber (MSFs) is proposed and demonstrated. Scattering is reduced by using the incoherent light as illuminating source. Side images are measured and analyzed while the fiber is rotated. The peaks pattern of the side-images, unique to each MSF, are experimentally demonstrated(More)
Using finite element method (FEM), a D-shaped multimode fiber sensor (MFS) based on surface plasmon resonance (SPR) was designed and optimized. Here the core radius of multimode fiber is 52.5μm. The simulations show that the resonant wavelengths of 45th~50th propagation modes and their wavelength redshifts due to the ambient refractive index change(More)
In this paper, we present and numerically demonstrate a highly sensitive photonic crystal (PC) Surface Plasmon Resonance (SPR) sensor. This proposed sensor consists of an Ag-Au bimetallic configuration that integrates the better evanescent field enhancement of silver, the higher resolution in the reflectivity minimum of silver, and the high chemical of(More)
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