| 长周期光纤光栅透射谱与结构参数关系的研究 |
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| 引用本文： | 黄桂岭,赵启大,刘松芬,郭团,吕俊锋,李淑红,董波.长周期光纤光栅透射谱与结构参数关系的研究[J].光电子．激光,2007,18(5):519-522. |
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| 作者姓名： | 黄桂岭 赵启大 刘松芬 郭团 吕俊锋 李淑红 董波 |
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| 作者单位： | 1. 南开大学现代光学研究所,天津,300071
2. 南开大学物理科学学院,天津,300071 |
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| 基金项目： | 国家自然科学基金
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天津市科技发展基金 |
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| 摘 要： | 采用光纤的3层模型,从模式理论和耦合理论出发,分析了长周期光纤光栅(LPG)一阶各次包层模和基模的耦合特性.通过分析指出,以往用来区分HF和EH模的2种方法是不等价的.利用传输矩阵法模拟均匀和非均匀情况下LPG的功率透射谱,分析光栅各结构参数对一阶低次包层模与基模耦合的影响.
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| 关 键 词： | 长周期光纤光栅(LPG) 耦合模理论 传输矩阵法 |
| 文章编号： | 1005-0086（2007）05-0519-04 |
| 修稿时间： | 2006-04-13 |
Study of the Relation Between the Transmission Spectra and the Structural Parameters for a Long-period Fiber Grating |
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| HUANG Gui-ling,ZHAO Qi-d,LIU Song-fen,GUO Tuan,LV Jun-feng,LI Shu-hong,DONG Bo.Study of the Relation Between the Transmission Spectra and the Structural Parameters for a Long-period Fiber Grating[J].Journal of Optoelectronics·laser,2007,18(5):519-522. |
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| Authors: | HUANG Gui-ling ZHAO Qi-d LIU Song-fen GUO Tuan LV Jun-feng LI Shu-hong DONG Bo |
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| Affiliation: | 1. Institute of Modem Optics, Nankai University, Tianjin 300071, China; 2. Department of Physics, Nankai University,Tianjin 300071,China |
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| Abstract: | Based on the three-layer fiber model,this paper analyzed the characteristics of the coupling of the core mode and the cladding modes of long-period grating(LPG).We found that the two ways to differentiate the HF modes and EH modes are not equal.And by using the transfer matrix method,the relation of the transmission spectra of uniform and nonuniform LPG and structural parameters were studied. |
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| Keywords: | long-period fiber gratings(LPFG) coupled mode theory transfer matrix method |
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