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基于HCPCF的F-P应变传感器的波分频分复用 被引量:2

SFDM/WDM for fiber-optic F-P stain sensor formed by hollow core photonic crystal fiber
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摘要 提出一种基于空芯光子晶体光纤(HCPCF,hollow core photonic crystalfiber)的Fabry-Perot(HCPCF F-P)干涉应变传感器进行大容量的波分频分复用实验。HCPCFF-P应变传感器的干涉腔长度可达cm数量级,并且温度对应变的交叉影响小。优化制作了HCPCFF-P应变传感器,重点研究了6个不同长度干涉腔应变传感器的波分频分复用实验。实验结果表明,复用系统的应变测量精度可达±20με。 A fiber-optic Fabry-Perot(F-P) sensor formed by hollow core photonic crystal fiber(HCPCF) is applied in the SFDM/CWDM system.The cavity length of HCPCF F-P can reach several centimeters;in addition the effect of temperature on the measurement of strain is smaller.And we have optimized the manufacture of HCPCF F-P,and realized the multiplexing of six Fabry-Perot strain sensors.The experimental results show that a strain accuracy of ±20 με is achieved,which can meet the requirements of health monitoring for large structures.
出处 《光电子.激光》 EI CAS CSCD 北大核心 2010年第1期15-18,共4页 Journal of Optoelectronics·Laser
基金 国家自然科学基金资助项目(60807019 60537040) 重庆市自然科学基金资助项目(CSTC2008BB2165) 新世纪优秀人才支持计划资助项目(NCET-08-0602)
关键词 光纤传感器 空芯光子晶体光纤(HCPCF) Fabry-Perot(F-P)干涉 复用 optical fiber sensing hollow core photonic crystal fiber(HCPCF) Fabry-perot(F-P)interference multiplexing
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