| 具有光隔离功能的光纤梳状滤波器的理论分析 |
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| 引用本文： | 李举鹏.具有光隔离功能的光纤梳状滤波器的理论分析[J].兰州理工大学学报,2006,32(3):101-104. |
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| 作者姓名： | 李举鹏 |
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| 作者单位： | 兰州交通大学,信息与电气工程学院,甘肃,兰州,730070 |
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| 摘 要： | 提出了一种由光纤光栅与光纤方向耦合器组成的光学梳状滤波器的理论模型,详细分析了滤波器的输出特性,由传输矩阵法推导出了当光纤光栅为均匀Bragg光栅时,该模型输出光谱与有关参数之间关系的数学表达式.对决定滤波器输出光谱特性及其规律进行了详细讨论,同时给出了实现光隔离功能的模型结构的理论参数.
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| 关 键 词： | 光纤光栅 梳状滤波器 光纤方向耦合器 反射谱 |
| 文章编号： | 1673-5196（2006）03-0101-04 |
| 收稿时间： | 2005-08-18 |
| 修稿时间： | 2005年8月18日 |
Theoretical analysis of photo-fiber comb-filter with light-insulating ability |
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| LI Ju-peng.Theoretical analysis of photo-fiber comb-filter with light-insulating ability[J].Journal of Lanzhou University of Technology,2006,32(3):101-104. |
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| Authors: | LI Ju-peng |
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| Abstract: | A theoretical model of photo-fiber comb-filter composed of photo-fiber grating and photo-fiber directional coupler was presented and the output characteristics of the filter was analyzed in detail.When the fiber grating is homogeneous Bragg grating,the mathematical expression of relationship between the output spectrum of the filter and relevant parameters was derived by using transmission matrix.The determination of output spectrum characteristics and their regularity of the filter were discussed in detail,the theoretical parameters of the model configuration,which has light-insulating ability,were given,also. |
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| Keywords: | fiber grating comb-filter fiber directional coupler reflection spectrum |
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