| 光纤光栅传感器波长移位检测方法 |
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| 引用本文： | 周伟林,刘阳,杨华勇,李智忠,胡永明.光纤光栅传感器波长移位检测方法[J].应用光学,2004,25(2):40-43. |
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| 作者姓名： | 周伟林 刘阳 杨华勇 李智忠 胡永明 |
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| 作者单位： | 国防科技大学,理学院,长沙,410073 |
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| 摘 要： | 光纤光栅波长移位检测是光纤光栅传感器的核心技术之一,已提出的光纤光栅波长移位检测方法有被动解调法、匹配光栅法、非平衡Mach-Zehnder干涉仪法、可调谐窄带光源法和激光锁模法等详细介绍了光纤布拉格光栅(FBG)传感器的波长移位检测方法,分析了各种检测方法原理.重点讨论了非平衡M-Z干涉仪法和可调谐窄带光源法,并对以上各种方法的优、缺点进行了分析和讨论.
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| 关 键 词： | 光纤布拉格光栅 波长移位检测 传感器 |
| 文章编号： | 1002-2082(2004)02-0040-04 |
| 收稿时间： | 2003/4/9 |
Methods for Wavelength-shift Detection of Fiber Bragg Grating Sensor |
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| ZHOU Wei-lin,LIU Yang,YANG Hua-yong,LI Zhi-zhong,HU Yong-ming.Methods for Wavelength-shift Detection of Fiber Bragg Grating Sensor[J].Journal of Applied Optics,2004,25(2):40-43. |
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| Authors: | ZHOU Wei-lin LIU Yang YANG Hua-yong LI Zhi-zhong HU Yong-ming |
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| Institution: | Science Academy National University of Defense Technology, Changsha 410073, China |
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| Abstract: | Wavelength-shift detection is the key technology of fiber Bragg grating sensor. Several techniques have been developed for demodulation of fiber Bragg grating sensor, such as passive demodulation, matched grating pairs detection,interferometric detection, etc.Various methods for wavelength-shift detection of FBG sensor are described in detail.The principle of all these methods are analyzed. The non-balanced Mach-Zehander interferometer and tunable narrow band light source detection methods are described emphatically. Their advantages and disadvantages are discussed as well. |
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| Keywords: | FBG wavelength-shift detction sensor |
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