| 同心椭圆度光纤的耦合系数计算 |
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| 引用本文： | 王黎蒙 严润生. 同心椭圆度光纤的耦合系数计算[J]. 光学学报, 1996, 16(2): 94-200 |
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| 作者姓名： | 王黎蒙 严润生 |
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| 作者单位： | 电子工业部上海传输线研究所检测中心 |
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| 摘 要： | 应用耦合模原理，用Ｍａｔｈｉｅｕ函数表示纤芯，包层为同心椭圆度的光纤中的电磁场，在适当近似条件下，求得了基模场中的偶模耦合系数表示式，并给出截止条件下的离心率－耦合系数，半长轴－耦合系数曲线。
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| 关 键 词： | 椭圆光纤 耦合系数 光纤 耦合模 |
| 收稿时间： | 1994-11-06 |
Calculation for Coupling Coefficient of Concentric Elliptical Fibers |
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| Wang Limeng Yan Runsheng. Calculation for Coupling Coefficient of Concentric Elliptical Fibers[J]. Acta Optica Sinica, 1996, 16(2): 94-200 |
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| Authors: | Wang Limeng Yan Runsheng |
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| Abstract: | According to the principle of coupling mode and the electromagnetic fields in fiber core and cladding with concentric ellipticity expressed by Mathieu functions, the analytical function formula is given in this paper for coupling coefficient of even mode in ground mode field under proper approximation conditions. The resluts of the eccentricity against coupling coefficient and the half major axis against coupling coefficient are obtained at cutoff frequency. |
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| Keywords: | ellipical Fiber coupling coefficient. |
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