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一种基于双芯光纤的温度传感器的实验研究
          
Experimental research of temperature sensor based on twin-core fiber

摘    要
本文实验证明了一种基于双芯光纤的低成本,结构紧凑,无损温度传感器。制作方法为在一段双芯光纤的两端分别熔接一段单模光纤。实验产生的梳状传输谱的消光比大于15dB,耦合角的温度敏感性在-30~90℃为 ,在90~175℃为 。本文利用有限元方法计算了双芯光纤的超模,且计算结果与实验结果一致。
标    签 超模   双芯光纤   温度传感器   280.0280   280.6780  
 
Abstract
A low-cost, compact, and lossless temperature sensor based on a twin-core fiber (TCF) is demonstrated and manufactured by splicing two single-mode fibers to the ends of a TCF. The extinction ratio of the comb transmission spectrum is bigger than 15 dB, and the temperature sensitivity of the coupling angle is –0.02 rad/(oC.m) at –30–90 oC and –0.032 rad/(oC.m) at 90–175 oC. Finite element method is used to calculate the supermodes of the TCF, and the result agrees well with the experiment.

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所属栏目 Remote sensing and sensors

基金项目

收稿日期 2010/12/30

修改稿日期 2011/1/31

网络出版日期

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备注This work was supported by the National Natural Science Foundation of China (Nos. 60837002 and 61007007), the Foundation for the Returning Scholars (No. [2008]890), the Ph.D. Programs Foundation of Ministry of Education of China (No. 200800040002), the Fundamental Research Funds for the Central Universities (No. 2011YJS007), and Beijing Jiaotong University Science and Technology Innovation Fund for Outstanding Doctoral (No. 141061522).

引用该论文: Ruifeng Zhao,Li Pei,Zhuoxuan Li,Tigang Ning,Linyong Fan,Weiwei Jiang. Experimental research of temperature sensor based on twin-core fiber[J]. 中国光学快报, 2011, 9(6): 062801


被引情况:


【1】, "High-temperature sensor using a Fabry-Perot interferometer based on solid-core photonic crystal fiber",Chinese Optics Letters 10, 70607-70609(2012)



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参考文献
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