| 自聚焦光纤模间色散的射线解法 |
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| 引用本文： | 张晓光. 自聚焦光纤模间色散的射线解法[J]. 光通信技术, 1996, 0(3) |
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| 作者姓名： | 张晓光 |
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| 作者单位： | 北京邮电大学物理教研室 |
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| 摘 要： | 本文结合微扰论，利用射线解法计算了自聚焦光纤的模间色散，结果与基于电磁场理论的ＷＫＢ法的结果完全一致。本文还指出了传统射线解法得不到正确结果的原因所在。
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| 关 键 词： | 自聚焦光纤，模间色散，射线解法 |
Ray Theory of Intermodal Dispersion for Gradient-index Fiber |
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| ZHANG Xiao-Guang. Ray Theory of Intermodal Dispersion for Gradient-index Fiber[J]. Optical Communication Technology, 1996, 0(3) |
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| Authors: | ZHANG Xiao-Guang |
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| Abstract: | The intermodal dispersion for gradient-index fiber is calculated by using ray theory combined with perturbation method.The result is in agreement with the WKB method. The key errors in traditional ray theory are also pointed out. |
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| Keywords: | Gradient-index fiber Intermodal dispersion Ray theory |
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