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| 光纤光栅化学质量分数传感器在矿石加工中的应用 | |
| 引用本文： | 赵德新,王葵如,李漩,张锦龙,孟照方.光纤光栅化学质量分数传感器在矿石加工中的应用[J].化工矿物与加工,2009,38(1). |
| 作者姓名： | 赵德新 王葵如 李漩 张锦龙 孟照方 |
| 作者单位： | 1. 北京邮电大学光通信与光电子学研究院光通信与光波技术教育部重点实验室,北京,100876 2. 北京邮电大学电子工程学院,北京,100876 3. 河南大学物理与电子学院,河南,开封,475001 |
| 基金项目： | 国家自然科学基金，教育部光通信与光波技术重点实验室(北京邮电大学)开放基金 |
| 摘 要： | 阐述了长周期光纤光栅(LPFG)和布拉格光纤光栅(FBG)化学质量分数传感器的结构与传感原理,分别研究了基于LPFG和FBG的传感器在化学溶液质量分数测量中消除温度敏感对传感影响的机理,并通过实验进行了验证.分析了两种化学质量分数传感器的灵敏度,其中本实验室研制的双布拉格光纤光栅(FBG)化学质量分数传感器通过测量布拉格光栅的双峰偏移间距来实现传感,其灵敏度可达到蔗糖溶液质量分数每1%的变化,反射波长移动0.096 nm. |
| 关 键 词： | 长周期光纤光栅 布拉光纤光栅 双布拉格光纤光栅 温度不敏感 |
Application of fiber grating chemical concentration sensor in mineral processing |
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| ZHAO De-xin,WANG Kui-ru,LI Xuan,ZHANG Jin-long,MENG Zhao-fang.Application of fiber grating chemical concentration sensor in mineral processing[J].Industrial Minerals and Processing,2009,38(1). | |
| Authors: | ZHAO De-xin WANG Kui-ru LI Xuan ZHANG Jin-long MENG Zhao-fang |
| Affiliation: | 1.Key Laboratory of Optical Communication and Light Wave Technologies of Ministry of Education;Institute of Optical Communication and Optoelectronics;Beijing University of Posts and Telecommunications;Beijing 100876;China;2.School of Electronic Engineering;Beijing 10087;3.School of Physics and Electronics;Henan University;Kaifeng Henan 475001;China |
| Abstract: | The structure and sensing mechanism of long-period fiber grating(LPFG) and fiber bragg grating(FBG) chemical sensor are introduced.The influence of reducing temperature sensitivity of LPFG and FBG chemical sensor is focused on and experimentally investigated respectively.The temperature-insensitive LPFG and FBG chemical sensor in concentration measurement of chemical solutions are analyzed.In our lab,one method based on twin FBG is designed by measuring the peak wavelength difference between twin FBG,which ... |
| Keywords: | LPFG FBG twin Bragg fiber grating temperature-insensitive |
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