| 对称结构光纤光栅耦合器及其应用 |
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| 引用本文： | 苏鹏,杨华勇,李智忠,胡永明.对称结构光纤光栅耦合器及其应用[J].应用光学,2006,27(2):133-136. |
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| 作者姓名： | 苏鹏 杨华勇 李智忠 胡永明 |
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| 作者单位： | 国防科学技术大学,光电科学与工程学院,长沙,410073 |
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| 摘 要： | 光纤光栅耦合器(FGC)具有光纤光栅良好的波长选择特性和光纤耦合器的多端口特点，易于实现全光纤的光波分插复用。光纤光栅耦合器主要有4种结构：基于M Z干涉仪的分离型、基于100％耦合器的非对称型、基于0耦合器的非对称型和基于100％耦合器的对称型。着重介绍对称结构光纤光栅耦合器的结构、工作原理和研究现状。提出了测试方案，并探讨了这种器件在大规模波分复用光纤传感器阵列中的应用。
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| 关 键 词： | 光纤光学 光纤光栅耦合器 光分插复用器 波分复用 |
| 文章编号： | 1002-2082（2006）02-0133-04 |
| 收稿时间： | 2005-03-20 |
| 修稿时间： | 2005-03-202005-04-26 |
Symmetric fiber grating coupler and its application |
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| SU Peng,YANG Hua-yong,LI Zhi-zhong,HU Yong-ming.Symmetric fiber grating coupler and its application[J].Journal of Applied Optics,2006,27(2):133-136. |
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| Authors: | SU Peng YANG Hua-yong LI Zhi-zhong HU Yong-ming |
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| Institution: | College of Photoelectric Science and Engineering, National University of Defense Technology, Changsha 410073, China |
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| Abstract: | Fiber grating coupler(FGC) has good wavelength selection characteristic of optical fiber grating as well as multiport advantage of fiber coupler.These features make it easy to realize all-fiber optical add/drop multiplex(OADM).Now there are four major types of FGCs: separated structure based on Mach Zehnder interferometer,dissymmetric structure based on 100% coupler,dissymmetric structure based on 0 coupler and symmetric structure based on 100% coupler.The structure,operation principle and present situation of the symmetric structure FGC are introduced emphatically.The test method for the device is proposed.Furthermore,the application of this device used in large-scale WDM optical fiber sensor arrays was also investigated. |
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| Keywords: | fiber optics fiber grating coupler OADM WDM |
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