| 渐变折射率光纤标量近似的微扰修正方法 |
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| 引用本文： | 阮顺龄,苑立波.渐变折射率光纤标量近似的微扰修正方法[J].光子学报,1996,25(7):629-634. |
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| 作者姓名： | 阮顺龄 苑立波 |
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| 作者单位： | 哈尔滨工程大学 |
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| 摘 要： | 在弱波导近似下,计及了折射率梯度的影响,把▽ε看作微扰项,应用微扰理论,给出了修正到任一级近似的标量场方程,建立了一级修正解的一般表达式,并给出了相关参量的确定方法。最后,以抛物线折射率剖面单模光纤为例,给出了简要分析结果。
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| 关 键 词： | 渐变 折射率 光纤标量 微扰修正 |
| 修稿时间： | 1995-06-09 |
PERTURBATION CORRECT METHOD OF GRADED INOEX PROFILE OPTICAL FIBER SCALAR APPROACH |
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| Ruan Shunling,Yuan Libo.PERTURBATION CORRECT METHOD OF GRADED INOEX PROFILE OPTICAL FIBER SCALAR APPROACH[J].Acta Photonica Sinica,1996,25(7):629-634. |
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| Authors: | Ruan Shunling Yuan Libo |
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| Institution: | Dept. of.Phys., Harbin Engineering University, Harbin 150001 |
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| Abstract: | Under the condition of weakly waveguide,the effect of index gradual change is considered inthis paper.A graded index ▽εeas perturbation term is introduced in the scalar Helmholtz equation.The arbitrary order correct scalar equations are given using the perturbation method. The first ordercorrect solution is given with an integral form.Finally,a numerical results of square index profilesingle-mode fiber is calculated as an example. |
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| Keywords: | Optical waveguide Graded index fiber Perturbation |
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