| 微小曲面内温度和间隙双参量测量的光纤Bragg光栅传感器的研制 |
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| 引用本文： | 何伟,李琪,汪冰冰,王宁.微小曲面内温度和间隙双参量测量的光纤Bragg光栅传感器的研制[J].光学与光电技术,2009,7(2):18-21. |
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| 作者姓名： | 何伟 李琪 汪冰冰 王宁 |
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| 作者单位： | 1. 武汉理工大学光纤传感技术与信息处理教育部重点实验室,湖北,武汉,430070
2. 武汉理工大学光纤传感技术与信息处理教育部重点实验室,湖北,武汉,430070;武汉理工大学信息工程学院,湖北,武汉,430070 |
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| 摘 要： | 介绍了一种具有温度和间隙双参量测量功能的光纤Bragg光栅传感器。这种传感器结构紧凑、体积小，具有良好的重复性和稳定性，可用于微小曲面内的温度和间隙大小的同时测量。实验表明，该传感器具有良好的重复性和稳定性，测量范围内，间隙测量误差±2μm，温度测量误差不超过±0．7℃。
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| 关 键 词： | 双参量测量 双光栅结构 光纤Bragg光栅 |
Development of Fiber Bragg Grating Sensor for Measuring Temperature & Gap in Tiny Surface |
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| HE Wei,LI Qi,WANG Bing-bing,WANG Ning.Development of Fiber Bragg Grating Sensor for Measuring Temperature & Gap in Tiny Surface[J].optics&optoelectronic technology,2009,7(2):18-21. |
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| Authors: | HE Wei LI Qi WANG Bing-bing WANG Ning |
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| Institution: | 1 Key Laboratory of Fiber Optic Sensing Technology and Information Processing of Ministry of Education, Wuhan University of Technology, Wuhan 430070, China; 2 School of Information Engineering, Wuhan University of Technology, Wuhan 430070, China ) |
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| Abstract: | A fiber Bragg grating sensor which can measure gap and temperature is introduced. The sensor is compact in framework, small in volume and excellent in repeatability and stability. It can simultaneously measure the gap and temperature in the clearance between two curved surfaces. The experiments indicate that the sensor is excellent in repeatability and stability, and within the range of measurement, the error of displacements measurement is not more than±2 μm, and the error of temperature measurement is not more than±0.7℃. |
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| Keywords: | two parameter measurement two gratings structure fiber Bragg grating |
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