| 基于Michelson干涉解调技术的光纤光栅传感系统 |
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| 引用本文： | 陈清海,林玉池,王为,朱永涛.基于Michelson干涉解调技术的光纤光栅传感系统[J].光电子技术,2006,26(1):45-47. |
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| 作者姓名： | 陈清海 林玉池 王为 朱永涛 |
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| 作者单位： | 天津大学精密测试技术及仪器国家重点实验室,天津,300072;天津大学精密测试技术及仪器国家重点实验室,天津,300072;天津大学精密测试技术及仪器国家重点实验室,天津,300072;天津大学精密测试技术及仪器国家重点实验室,天津,300072 |
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| 摘 要： | 介绍了一种基于Michelson干涉解调技术的光纤光栅传感系统,将包含被测应变信息的FBG波长信号转变成相位信号,通过单片机系统检测相位的变化,得到被测应变的大小.系统可检测静态应变和动态应变,具有高分辨力、大测量范围等特点.
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| 关 键 词： | 光纤布喇格光栅 迈克尔逊干涉解调技术 相位测量 |
| 文章编号： | 1005-488X(2006)01-0045-03 |
| 收稿时间： | 2005-07-28 |
| 修稿时间： | 2005年7月28日 |
Fiber Bragg Grating Sensor System Based on Michelson Interferometric Demodulation Technique |
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| CHEN Qing-hai,LIN Yu-chi,WANG Wei,ZHU Yong-tao.Fiber Bragg Grating Sensor System Based on Michelson Interferometric Demodulation Technique[J].Optoelectronic Technology,2006,26(1):45-47. |
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| Authors: | CHEN Qing-hai LIN Yu-chi WANG Wei ZHU Yong-tao |
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| Affiliation: | State Key Laboratory of Precision Measuring Technology and Instruments, Tianjin University, Tianjin, 300072, CHN |
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| Abstract: | This article introduces a fiber Bragg grating sensor system based on Michelson interferometric demodulation technique. The system translates the FBG wavelength signal related with the strain into phase signal and measures the change of the phase with a phase measurement system based on the micro-controller 89C51. With the characteristics of high resolution and wide measurement range,this sensor system has the capability of measuring static strain as well as dynamic strain. |
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| Keywords: | fiber Bragg grating Michelson interferometer demodulation technique phase measurement |
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