| 光纤布拉格光栅的耦合模理论分析 |
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| 引用本文： | 刘汉平,王健刚,赵圣之,陈冰泉. 光纤布拉格光栅的耦合模理论分析[J]. 山东大学学报(理学版), 2006, 41(4): 89-92 |
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| 作者姓名： | 刘汉平 王健刚 赵圣之 陈冰泉 |
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| 作者单位： | 山东大学,信息科学与工程学院,山东,济南,250100;莱阳农学院,工程学院,山东,莱阳,265200;山东大学,控制科学与工程学院,山东,济南,250061 |
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| 摘 要： | 利用光波导中的模式耦合理论，考虑到经紫外光照射后光纤纤芯折射率的直流增量，推出了新的光纤光栅耦合模方程，得到了较简洁的耦合系数表达式．通过求解耦舍方程，得出了更严格的、与实验结果相符的布拉格波长表达式．
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| 关 键 词： | 布拉格光栅 耦合模方程 耦合系数 |
| 文章编号： | 1671-9352（2006）04-0089-04 |
| 收稿时间： | 2005-12-06 |
| 修稿时间： | 2005-12-06 |
Coupled-mode theory analysis in fiber Bragg grating |
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| LIU Han-ping,WANG Jian-gang,ZHAO Sheng-zhi,CHEN Bing-quan. Coupled-mode theory analysis in fiber Bragg grating[J]. Journal of Shandong University, 2006, 41(4): 89-92 |
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| Authors: | LIU Han-ping WANG Jian-gang ZHAO Sheng-zhi CHEN Bing-quan |
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| Affiliation: | 1. School of Information Science and Engineering, Shandong Univ., Jinan 250100, Shandong, China; 2. School of Engineering, Laiyang Agricultural Univ., Laiyang 265200, Shandong , China; 3. School of Control Science and Engineering, Shandong Univ., Jinan 250061, Shandong, China |
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| Abstract: | New coupled-mode equations as well as a concise representation of coupling constant are derived and obtained, via using the coupled-mode theory, of optical guidance and considering the direct increase of fiber refractive index of fiber core after UV exposure. When the new coupled-mode equations are solved, a more accurate result of the Bragg wavelength is obtained, which is coincided with experimental result. |
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| Keywords: | Fiber Bragg grating coupled-mode equations coupling constant |
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