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A Hollow Core Fiber-Based Intermodal Interferometer for Measurement of Strain and Temperature

机译:一种基于空心芯光纤的模态干涉仪,用于测量应变和温度

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摘要

A hollow core fiber-based all-fiber intermodal interferometer is proposed for measurement of strain and temperature. The sensing structure is simply a short segment of hollow core silica fiber being sandwiched between two normal single mode fibers. The fabrication process only involves a conventional fusion splicer and a mechanical fiber cleaver. Experimental results show that sensitivities of 1.21 ${rm pm}/muvarepsilon$ and 21.30 ${rm pm}/^{circ}{rm C}$ are achieved for strain and temperature measurements, respectively.
机译:提出了一种基于空心光纤的全光纤联运干涉仪,用于测量应变和温度。传感结构只是一根夹在两根普通单模光纤之间的空心二氧化硅光纤的短段。制造过程仅涉及传统的熔接机和机械光纤切割刀。实验结果表明,灵敏度为1.21 $ {rm pm} / muvarepsilon $ 和21.30 < tex Notation =“ TeX”> $ {rm pm} / ^ {circ} {rm C} $ 分别用于应变和温度测量。

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