| 双三角形结构的光纤光栅压力和温度双参量传感器 |
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| 引用本文： | 张锦龙,余重秀,王葵如,李成.双三角形结构的光纤光栅压力和温度双参量传感器[J].光子学报,2009,38(4):770-774. |
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| 作者姓名： | 张锦龙 余重秀 王葵如 李成 |
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| 作者单位： | 1. 北京邮电大学,电子工程学院,北京,100876;河南大学,物理与电子学院,河南开封,475001
2. 北京邮电大学,电子工程学院,北京,100876 |
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| 基金项目： | 国家自然科学基金,北京市教委共建项目,北京邮电大学电子工程学院博士启动资金资助项目 |
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| 摘 要： | 为解决压力和温度同时测量时的交叉敏感问题,提出一种基于双三角形悬臂梁结构的光纤光栅压力、温度双参量测量传感器. 在外界压力作用下,光纤布喇格光栅反射谱分裂成双峰结构,悬臂梁的应变调制传感光纤光栅双峰间距,温度变化转变成反射谱整体的移动. 实验结果表明该结构可实现单光栅双参量测量,且具有良好的线性和可重复性.
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| 关 键 词： | 光纤光栅 双三角形 双峰结构 传感器 |
| 收稿时间： | 2007-10-24 |
| 修稿时间： | 2007-12-06 |
A Fiber Grating Dual-parameter Sensor of Ditrigon Cantilever Beam for Measurement of Strain and Temperature |
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| ZHANG Jin-long,YU Chong-xiu,WANG Kui-ru,LI Cheng.A Fiber Grating Dual-parameter Sensor of Ditrigon Cantilever Beam for Measurement of Strain and Temperature[J].Acta Photonica Sinica,2009,38(4):770-774. |
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| Authors: | ZHANG Jin-long YU Chong-xiu WANG Kui-ru LI Cheng |
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| Institution: | 1 School of Electronic engineering;Beijing University of Posts and Telecommunication;Beijing 100876;China;2 School of Physics and Electronics;Henan University;Kaifeng 475001;China |
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| Abstract: | To solve the problem of cross sensitization when the strain and the temperature are measured at the same time,a structure of a ditrigon cantilever beam of uniform strength was presented,in which the strain and the temperature can measured at the same time by a single fiber grating.The beam is bended and elongate the grating sticked on the surface of the beam.The reflectance spectrum from the grating was splitted into a double-peak spectrum with pressure.The of double peaks can be measured by strain.The stra... |
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| Keywords: | Fiber grating Ditrigon cantilever beam Double-peak spectrum Sensor |
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