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A comparative study and experimental observations of optical fiber sagnac interferometric based strain sensor by using different fibers

机译：用不同纤维的光纤锯齿干涉菌传感器的比较研究与实验观察

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摘要

Designing of strain monitoring system is a vibrant topic for the researchers. Strain monitoring systems are required in various fields such as mechanics, aeronautics, metallurgy and health monitoring of complex structures etc. Researchers designed different strain monitoring systems based on requirements. In this paper, we have reported a comparative study of Optical Fiber Sagnac Interferometer (OFSI) based strain sensors using three different types of fiber, i. e Polarization Maintaining Fiber (PMF), Standard Photonic Crystal Fiber (PCF) and High Birefringence Photonic Crystal Fiber (Hi-Bi PCF). The transmission spectrums of the sensors were recorded using Optical Spectrum Analyzer (OSA). We have experimentally analyzed the response and sensitivity of the sensors at different applied strains. The experimental results show that the optical interferometric strain sensor using PMF is having highest sensitivity in comparison to other sensors.
机译：应变监测系统的设计是研究人员的充满活力的话题。在各个领域，诸如复杂结构等机械，航空，冶金和健康监测等各种领域需要应变监测系统等研究人员根据要求设计了不同的应变监测系统。在本文中，我们已经报道了一种使用三种不同类型的纤维的光纤SAGNAC干涉仪（OFSI）的应变传感器的比较研究I。 E偏振维持纤维（PMF），标准光子晶体纤维（PCF）和高双折射光子晶体纤维（HI-BI PCF）。使用光谱分析仪（OSA）记录传感器的传输频谱。我们通过实验分析了不同施加菌株的传感器的响应和敏感性。实验结果表明，与其他传感器相比，使用PMF的光学干涉菌株传感器具有最高的灵敏度。

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