| 基于衍射特性分析的光纤布拉格光栅耦合模理论研究 |
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| 引用本文： | 彭伟,林钧岫.基于衍射特性分析的光纤布拉格光栅耦合模理论研究[J].大连理工大学学报,2000,40(1):31-33. |
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| 作者姓名： | 彭伟 林钧岫 |
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| 作者单位： | 大连理工大学应用物理研究所!辽宁大连116024 |
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| 基金项目： | 国家教委博士点基金资助项目 !(970 1 4 1 1 8) |
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| 摘 要： | 从衍射光学角度出发研究了光纤布拉格光栅的光学特性，进而采用理想模展开的耦合模理论对光纤布拉格光栅的模场分布进行了详细分析，推导出反射率、布拉格反射波长及反射主峰带宽等特征参数的表达式，具体计算结果表明理论与实际结果吻合较好，从而验证了理论的正确性。
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| 关 键 词： | 衍射 光纤布拉格光栅 耦合模 光纤元件 |
| 文章编号： | 1000-8608(2000)01-0031-03 |
Study of coupled-mode theory of fiber Bragg grating based on diffraction characteristics |
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| PENG Wei,LIN Jun\|xiu.Study of coupled-mode theory of fiber Bragg grating based on diffraction characteristics[J].Journal of Dalian University of Technology,2000,40(1):31-33. |
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| Authors: | PENG Wei LIN Jun\|xiu |
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| Abstract: | The diffraction properties of the fiber Bragg grating are given.Using ideal mode approximation of the coupled\|mode theory,this paper analyzed the mode field of FBG in detail, then developed and discussed expressions of many important parameters of FBG,such as the reflectivity,the Bragg reflection wavelength and the bandwidth of the maximum reflectivity.The numerical example shows that the computed results are coincident with the experimental results.The theory is demonstrated correct. |
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| Keywords: | diffraction/fiber Bragg grating coupled\|mode |
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