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首页> 外文期刊>IEEE sensors journal >Fiber Optic Fabry-Perot Micro-Displacement Sensor Based on Low-Cost Polymer Film
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Fiber Optic Fabry-Perot Micro-Displacement Sensor Based on Low-Cost Polymer Film

机译：基于低成本聚合物膜的光纤法布里 - 珀罗微置换传感器

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摘要

This manuscript experimentally validates a thin-film polymer and multimode fiber optic interaction-based low-cost optical fiber displacement sensor. The sensing setup is operated by deflecting a commercially Mylar (R) polymer film using multimode optical fiber. The sensor exhibits a higher sensitivity of 24 nm/mu m and resolution of 41.6nm. The sensor's analyses also demonstrate good polynomial approximation, with a maximal adjusted square of R = 0.9801, and high stability, in which minimal power (0.4dB-Hour) and wavelength (<2nm-Hour) variations are observed. Moreover, thermal experiments prove that the sensor has lower temperature traits (0.05 mu m/degrees C), and this parameter can be distinguished considering the wavelength shifting direction. The simplicity of the scheme, as well as the cost of the elements involved, make this technique a reliable alternative to detect microdisplacements.
机译：该手稿通过实验验证薄膜聚合物和基于多模光纤相互作用的低成本光纤位移传感器。通过使用多模光纤偏转商业肌油（R）聚合物膜来操作传感设置。传感器具有24nm / mu m的较高灵敏度，分辨率为41.6nm。传感器的分析还证明了良好的多项式近似，具有r = 0.9801的最大调节平方，并且观察到高稳定性，其中最小的功率（0.4db-小时）和波长（<2nm-小时）变化。此外，热实验证明了传感器具有较低的温度特征（0.05μm/℃），并且可以考虑波长移位方向来区分该参数。该方案的简单性以及所涉及的元件的成本使得该技术可以是检测微扫描坯的可靠替代方案。

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