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首页> 外文期刊>Journal of computational and theoretical nanoscience >Numerical Analysis of the Hybrid Photonic Crystal Fiber and Single Mode Fiber/Fiber Bragg Grating Sensor for Simultaneous Measurement of Temperature and Strain
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Numerical Analysis of the Hybrid Photonic Crystal Fiber and Single Mode Fiber/Fiber Bragg Grating Sensor for Simultaneous Measurement of Temperature and Strain

机译:混合光子晶体纤维和单模光纤/光纤布拉格光栅传感器的数值分析,用于同时测量温度和应变

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摘要

In this paper we investigate the performance of a Fiber Bragg Grating (FBG) as a strain-optic and temperature sensor, using the Coupled Mode Theory (CMT) and the Transfer Matrix Method (TMM), through numerical simulation in an interrogation system with Single-Mode Fiber (SMF) and Photonic Crystal Fiber (PCF). Parameters such as sensitivity, bandwidth, peak power, peak wavelength and side-lobes power, were analyzed through the Bragg wavelength change depending on the simultaneous variation of strain and temperature. The FBG sensor proposed suffered thermal variation 25 °C to 200 °C and of strain of 0 με to 1000 με, excellent linearity was obtained for the variation of the Bragg wavelength with differences of 0.7 nm for each 50 °C and 0.245 nm for each 200 με.
机译:在本文中,我们通过耦合模式理论(CMT)和传输矩阵方法(TMM)来研究光纤布拉格光栅(FBG)作为应变光学和温度传感器的性能,通过单一的询问系统中的数值模拟 - 模型光纤(SMF)和光子晶体纤维(PCF)。 根据应变和温度的同时变化,通过布拉格波长改变分析诸如灵敏度,带宽,峰值功率,峰值波长和侧瓣功率的参数。 所提出的FBG传感器所遭受的热变化25℃至200℃,应变为0μm至1000μL,得到了对于每个50°C的50℃和0.245nm的差异为0.7nm的差异为0.245nm的优异线性。 200μL。

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