A novel refractive index sensor based on microbend loss
2013
Abstract Simulating micro bending loss of SMF through a simple model and contrasting simulated curve and experimental results, confirm that the microbend loss is the main cause of hydrogen-loaded fiber fusion bubbles loss. There is a good linear relationship between the refractive index of liquid and normalized light intensity among the range from 1.3325 to 1.3562. Therefore, we propose a kind of low cost, high resolution optical fiber refractive index sensor.
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