基于振动放大的石英音叉光纤气体传感器设计

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英文篇名：Design of quartz tuning fork optical fiber gas sensor based on vibration amplification 作者：张秀坤 ; 张浩 ; 田存伟 ; 王宗良 英文作者：ZHANG Xiu-kun;ZHANG Hao;TIAN Cun-wei;WANG Zong-liang;School of Physical Science and Information Technology,Liaocheng University; 关键词：气体浓度检测 ; 石英音叉 ; 光声效应 ; 线阵CCD 英文关键词：gas concentration detection;;quartz tuning fork;;photoacoustic effect;;linear CCD 中文刊名：HDZJ 英文刊名：Information Technology 机构：聊城大学物理科学与信息工程学院; 出版日期：2019-06-20 出版单位：信息技术 年：2019 期：v.43;No.331 语种：中文; 页：HDZJ201906028 页数：5 CN：06 ISSN：23-1557/TN 分类号：138-141+147

摘要

设计了一种基于振动放大的石英音叉光纤气体传感器,并提出了一种气体浓度检测方法。传感器改变了采用前置放大及锁相放大的传统方法,利用激光反射放大的方法测量音叉臂因光声效应产生振动的幅度,利用线阵CCD作为激光反射放大的检测部件。通过实验对比,证明了该方法的有效性。
        A quartz tuning fork fiber optic gas sensor based on vibration amplification is designed and a gas concentration detection method is proposed. The sensor changes the traditional method of using preamplification and phase-locked amplification. The laser reflection amplification method is used to measure the vibration amplitude of the tuning fork arm due to the photoacoustic effect,and the linear CCD is used as the detection component of the laser reflection amplification. The effectiveness of the method is verified by experimental comparison.

引文

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