Abstract
When the single-mode fiber is used as the transmission medium in the fiber FP sensing experiment using the SGDBR laser as the light source, the single-mode fiber cannot be guaranteed to be stable under external interference. The single-mode fiber that transmits information is changed to a polarization-maintaining fiber in the case where the sensor measurement environment is unchanged. Then the accuracy of the sensor is reduced from 10% to 1%, which ensures the accuracy and stability of the experimental data.
© 2018 The Author(s)
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