A photonic crystal fiber sensor was prepared for refractive index sensing. Based on modal interferometer theory, the
relationships between the refractive index of glycerine solution and resonant wavelength shift of the sensor are
analyzed by numerical simulation. A fiber optical device was designed to operate the sensing experiment. The
sensing experiment shows that the resonant wavelength blued-shift for the sensor with refractive index in the range of
1.33~1.41 happens when increasing glycerine solution from 0.0% to 50.0% (v/v). The experimental results are
approximately consistent with theory.
A photonic crystal fiber sensor was prepared for refractive index sensing. Based on modal interferometer theory, the
relationships between the refractive index of glycerine solution and resonant wavelength shift of the sensor are
analyzed by numerical simulation. A fiber optical device was designed to operate the sensing experiment. The
sensing experiment shows that the resonant wavelength blued-shift for the sensor with refractive index in the range of
1.33~1.41 happens when increasing glycerine solution from 0.0% to 50.0% (v/v). The experimental results are
approximately consistent with theory.
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