| 基于MPCF-FPI和LPFG的高温-应变区分测量 |
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| 引用本文： | 樊荣,唐昌平,邓明.基于MPCF-FPI和LPFG的高温-应变区分测量[J].光电子．激光,2011(7):1067-1071. |
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| 作者姓名： | 樊荣 唐昌平 邓明 |
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| 作者单位： | 煤炭科学研究总院重庆研究院；;重庆大学光电技术及系统教育部重点实验室；;重庆大学光电技术及系统教育部重点实验室； |
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| 基金项目： | 国家科技重大专项资助项目(2008ZX05041-008);中央高校基本科研业务费资助项目(CDJZR10120002) |
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| 摘 要： | 提出并研制了一种结构简单、成本低廉的全光纤型高温-应变组合传感器,其结构是在具有微气泡腔的在线型Fabry-Perot干涉仪（FPI）后级联一个高频CO2激光脉冲写入的长周期光纤光栅（LPFG）。FPI通过采用商用化的熔接机熔接普通单模光纤（SMF）和多模光子晶体光纤（MPCF）形成,两类光纤间的空气泡形成FP干涉腔,...
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| 关 键 词： | 光子晶体光纤(PCF) Fabry-Perot干涉仪(FPI) 长周期光纤光栅(LPFG) 高温 应变 同时测量 |
Research on discriminating measurement of high-temperature and strain based on in-line MPCF-FPI combined with a LPFG |
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| FAN Rong,TANG Chang-ping and DENG Ming.Research on discriminating measurement of high-temperature and strain based on in-line MPCF-FPI combined with a LPFG[J].Journal of Optoelectronics·laser,2011(7):1067-1071. |
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| Authors: | FAN Rong TANG Chang-ping and DENG Ming |
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| Affiliation: | Chongqing Institute of Coal Science Research Institute,Chongqing 400037,China;;Key Laboratory of Optoelectronic Technology and Systems of Education Ministry of China,Chongqing University,Chongqing 400044,China;Key Laboratory of Optoelectronic Technology and Systems of Education Ministry of China,Chongqing University,Chongqing 400044,China |
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| Abstract: | An optical fiber high-temperature strain sensor is proposed and fabricated which is formed by combining an in-line photonic crystal fiber Fabry-Perot interferometer(FPI) with an air bubble cavity and a long-period fiber grating(LPFG) written in a standard single mode fiber using high-frequency CO2 laser.The in-line FPI was constructed by directly splicing a mutimode photonic crystal fiber(MPCF) to a conventional single mode fiber with a commercial splicer.The air microbubble inserted between the... |
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| Keywords: | photonic crystal fiber(PCF) FabryPerot interferometer(FPI) long period fiber grating(LPFG) high-temperature strain simultaneous measurement |
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