基于空芯光子晶体光纤的反射式气体传感器

doi:10.12068/j.issn.1005-3026.2017.12.001

东北大学学报:自然科学版 ›› 2017, Vol. 38 ›› Issue (12): 1673-1676.DOI: 10.12068/j.issn.1005-3026.2017.12.001

• 信息与控制 • 下一篇

基于空芯光子晶体光纤的反射式气体传感器

钱晓龙，张亚男，彭慧杰，吴奇鲁

(东北大学信息科学与工程学院，辽宁沈阳110819)

收稿日期:2016-06-16 修回日期:2016-06-16 出版日期:2017-12-15 发布日期:2018-01-02
通讯作者: 钱晓龙
作者简介:钱晓龙(1966-)，男，辽宁鞍山人，东北大学教授.
基金资助:
国家自然科学基金资助项目(61425003，61273059)；教育部中央高校基本科研业务费重点项目(N160404012)；辽宁省自然科学基金资助项目(20170540314)；流程工业综合自动化国家重点实验室基础科研业务费资助项目(2013ZCX09).

Reflective Gas Sensor Based on Hollow Core Photonic Crystal Fiber

QIAN Xiao-long， ZHANG Ya-nan， PENG Hui-jie， WU Qi-lu

School of Information Science & Engineering， Northeastern University， Shenyang 110819， China.

Received:2016-06-16 Revised:2016-06-16 Online:2017-12-15 Published:2018-01-02
Contact: ZHANG Ya-nan
About author:-
Supported by:
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摘要/Abstract

摘要： 以光子晶体光纤(PCF)为研究对象，以提高气体测量灵敏度为研究目标，提出一种反射式的光纤气体传感技术.首先，利用宽谱光源谐波检测技术，并结合实际应用需求，设计了基于空芯PCF的反射式气体传感系统，并详细分析了系统的工作原理.然后，针对空芯PCF与单模光纤耦合困难、气体填充时间长的问题，设计了集密封、固定及连接于一体的机械耦合装置作为测量气室.最后，以乙炔气体为例，测试了该系统的传感特性，体积分数分辨力可达0.02%，最大相对误差为1.39%.该技术将进一步推动PCF在气体传感中的应用，并为其在实际气体浓度测量中的应用提供了理论和实验基础.

关键词: 气体传感, 空芯光子晶体光纤, 气室, 乙炔气体, 反射式传感器

Abstract: In order to enhance the gas measurement sensitivity， a reflective optical fiber gas sensing technology was proposed using photonic crystal fiber (PCF). Firstly， the harmonic detection technology of broadband source was used in combination with the practical application demands. Then， aimed at the problems of coupling between hollow core PCF and single mode fiber， and the long infiltrating time of measured gas， a new measured gas chamber was designed， which integrated seal， fixation and connection. Finally， taking acetylene gas as an example， the sensing properties of the proposed sensor were measured. Experiment results demonstrated that the minimum detectable concentration could be as accurate as 0.02%， and the maximum relative error was 1.39%. The proposed technology can further promote the applications of PCF in gas sensing， and lay the theoretical and experimental foundations for its practical applications.

Key words: gas sensing, hollow core photonic crystal fiber, gas chamber, acetylene gas, reflective sensor

中图分类号:

TP212.2

钱晓龙，张亚男，彭慧杰，吴奇鲁. 基于空芯光子晶体光纤的反射式气体传感器[J]. 东北大学学报:自然科学版, 2017, 38(12): 1673-1676.

QIAN Xiao-long， ZHANG Ya-nan， PENG Hui-jie， WU Qi-lu. Reflective Gas Sensor Based on Hollow Core Photonic Crystal Fiber[J]. Journal of Northeastern University Natural Science, 2017, 38(12): 1673-1676.

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基于空芯光子晶体光纤的反射式气体传感器

Reflective Gas Sensor Based on Hollow Core Photonic Crystal Fiber

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