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光纤双光栅用于温度和应变测量 被引量:1

Measuring Synchronously Temperature and Strain with Dual Wavelength Fiber Bragg Grating
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摘要 FBG传感器在现实应用中的一个主要问题是温度和应力的交叉敏感问题,本文介绍了光纤双光栅同步测量温度和应力的原理,设计了一个光纤双光栅温度、应变测量实验系统,对光纤双光栅的温度和应变传感特性进行了初步的实验研究,实验结果很好地反映了光纤双光栅的温度和应变灵敏特征,也表明光纤双光栅具有多参量同时测量的能力。 In applications of fiber bragg grating sensor(FBG) , it is a serious problem that the wavelength shift of FBGs depends not only on the changes of strain but also on temperature. The principle of synchronous measuring of temperature and strain using dual wavelength fiber Bragg grating is introduced. Results show that the temperature coefficients of the dual wavelength fiber bragg grating sensor system reach 11.85 pm/℃ and 12.12 pm/℃, respectively, and the strain coefficient reach 0.893 pm/μεand 0.915 pm/με, respectively.
出处 《宁波大学学报(理工版)》 CAS 2003年第1期49-52,共4页 Journal of Ningbo University:Natural Science and Engineering Edition
基金 宁波市重点博士基金(01J201201-04)
关键词 光纤双光栅 温度测量 应变测量 传感特性 测量原理 FBG传感器 dual wavelength fiber Bragg grating fiber grating temperature measurement strain measurement
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参考文献6

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同被引文献14

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