| 基于保偏光纤的光纤应力传感器研究与设计 |
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| 引用本文： | 韦世红,王敏琦.基于保偏光纤的光纤应力传感器研究与设计[J].半导体光电,2006,27(6):784-787. |
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| 作者姓名： | 韦世红 王敏琦 |
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| 作者单位： | 重庆邮电大学,通信与信息工程学院,重庆,400065;重庆邮电大学,通信与信息工程学院,重庆,400065 |
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| 摘 要： | 为了提高光纤应力传感器的抗干扰能力,提出了一种基于保偏光纤的光纤应力传感器设计方案.该方案主要利用保偏光纤的高双折射机理,通过光偏振度的变化来反映外界应力的变化.还给出提高系统性能的一些措施.实验表明,该系统能准确检测出光纤弯曲程度的变化.
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| 关 键 词： | 保偏光纤 光纤传感器 自相关 |
| 文章编号： | 1001-5868(2006)06-0784-04 |
| 收稿时间： | 2006-05-13 |
| 修稿时间： | 2006年5月13日 |
Research and Design of Optical Fiber Stress Sensor Using Polarization Maintaining Fiber |
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| WEI Shi-hong,WANG Min-qi.Research and Design of Optical Fiber Stress Sensor Using Polarization Maintaining Fiber[J].Semiconductor Optoelectronics,2006,27(6):784-787. |
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| Authors: | WEI Shi-hong WANG Min-qi |
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| Affiliation: | Communication and Information Engineering Institute, Chongqing University of Posts and Telecommunications, Chongqing 400065, CHN |
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| Abstract: | Optical fiber sensor system is usually used to test some parameters in many engineering application scenarios,but there exist many disturbing factors making the result inaccurate.A project of optical fiber sensor system based on polarization maintaining(PM) fiber has been presented to improve the ability of resisting disturbance.By using the principle of high birefringence of PM fiber the change of the external environmental stress is reflected through the change of polarity of fiber.Furthermore,some measurements to enhance the system performance have been described.The experimental result shows that system can veraciously test the variety of bending degree for the fiber. |
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| Keywords: | polarization maintaining optical fiber optical fiber sensor self-correlation |
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