Reflection-Based Optical Fiber Strain Sensor Using Polarization Maintaining and Thin Core Fibers
IEEE Photonics Technology Letters(2022)
摘要
A strain fiber optic sensor is proposed and experimentally demonstrated in this letter. The sensor operates in reflection mode, and its assembly relies on a single splice point between a thin core fiber and polarization-maintaining fiber. The system offers competitive sensitivities of 14.68 and 6.9 pm/
$\mu \varepsilon $
, determined by the PM-fiber length. In addition, the one-way ANOVA analysis indicates a minimal error (MSE=0.34) and low probability of measurement overlap (
$\text {Prob}>\text {F}= 5.59882\times 10^{-85}$
). The fabrication, the sensor dimensions, and the statistical analysis make the proposed sensor an attractive alternative for monitoring strain.
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关键词
Strain fiber optic sensor,polarization maintaining fiber,interferometric all fiber-optic device
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