单模与多模光纤光场的统计相关性 |
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引用本文: | 秦克琪,陈建文,王润文. 单模与多模光纤光场的统计相关性[J]. 中国激光, 1987, 14(11): 677-684 |
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作者姓名: | 秦克琪 陈建文 王润文 |
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作者单位: | 中国科学院上海光机所(秦克琪,陈建文),中国科学院上海光机所(王润文) |
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摘 要: | 用准均匀光源及部分均匀相干光源分别处理多模及单模光纤,利用二阶统计相关函数及角相关函数计算了光纤端面及衍射场的光场统计性质,得到了光纤横向相关长度、角相关长度、有效发光孔径角、光强分布等参数,并与实验进行了比较。
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收稿时间: | 1986-08-02 |
Statistical correlation properties of optical field produced by single mode and multi-mode optical fibers |
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Abstract: | The optical field at the exit end of multi-mode fiber is treated as a quasi-homogeneous source, while that of single-mode fiber is treated as homogeneous partial coherence source. The second-order statistical correlation function and angular correlation function are used to analyze the correlation properties of the exit end and the near and far field of optical fibers. The transverse and angular coherent lengths and the optical intensity distribution parameters have been obtained. The theoretical results are compared to those of experiments. |
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