| 两层镀膜长周期光纤光栅传感器的特性研究 |
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| 引用本文： | 杨颖.两层镀膜长周期光纤光栅传感器的特性研究[J].传感器与微系统,2011,30(9):66-68. |
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| 作者姓名： | 杨颖 |
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| 作者单位： | 上海理工大学光电信息与计算机工程学院光电功能薄膜实验室,上海200093;临沂师范学院信息学院,山东临沂276005 |
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| 摘 要： | 以光纤光栅耦合模理论为基础,提出一种两层镀膜长周期光纤光栅传感器的结构模型,一层是在光纤包层外镀的铜金属薄膜,另一层是在铜薄膜外再镀一层敏感薄膜.对该结构模型的模场特性和透射特性进行分析和模拟,明确了薄膜参数对其透射特性的影响.该结构模型既可以利用敏感膜折射率随外界环境变化而改变的特性,也可以利用金属膜层进行温度和应变...
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| 关 键 词： | 镀膜 长周期光纤光栅 模场特性 透射特性 |
Study on characteristics of two-layer coated long period fiber grating sensor |
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| YANG Ying.Study on characteristics of two-layer coated long period fiber grating sensor[J].Transducer and Microsystem Technology,2011,30(9):66-68. |
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| Authors: | YANG Ying |
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| Affiliation: | YANG Ying1,2(1.Laboratory of Photo Electric Functional Films,University of Shanghai for Science and Technology,Shanghai 200093,China,2.School of Informatics,Linyi Normal University,Linyi 276005,China) |
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| Abstract: | A kind of two-layer coated long period fiber grating sensor structure model is proposed based on fiber grating coupling theory.One layer is copper metal film plated on the outer cladding of fiber,another layer is sensitive film coated on the layer of copper film.Characteristics of the mode field and transmission of the two-layer coated long period fiber grating are analyzed and simulated.The influences of film parameters on the characteristics of the transmission are studied.The characteristics of refractio... |
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| Keywords: | coated long period fiber grating(LPFG) characteristics of mode field characteristics of transmission |
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