| 光纤基模光强分布等容性质的广义证明 |
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| 引用本文： | 沈林放,濮荣强.光纤基模光强分布等容性质的广义证明[J].量子电子学报,1999,16(6):511-514. |
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| 作者姓名： | 沈林放 濮荣强 |
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| 作者单位： | 中国科技大学电子工程与信息科学系!合肥２３００２７ |
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| 摘 要： | 应用高斯近似理论，本文解析分析了任意折射率剖面光纤的基模的光强分布性质，导出了关于等折射率剖面容量的任意光纤之间，基模的光强分布一致地趋于重合的普适性判据，即２∫＾１ｆ＾２（Ｒ）ＲｄＲ≤０．２，这种情形下基模的归一化模斑半径为「２ｌｎ（Ｖ√Ω／π／ρ）」＾１／２。
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| 关 键 词： | 光纤 剖面容量 基模 光强分布 |
A General Proof of the Intensity Distribution Featurefor Fundamental Mode of Equal-Volume Profile Fibers |
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| Shen Linfang, Pu Rongqiang.A General Proof of the Intensity Distribution Featurefor Fundamental Mode of Equal-Volume Profile Fibers[J].Chinese Journal of Quantum Electronics,1999,16(6):511-514. |
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| Authors: | Shen Linfang Pu Rongqiang |
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| Abstract: | With the Gaussian-approximation method, the characteristics of intensity distribution of fundamental mode of fibers has been generally analyzed. Thegeneral condition for equal-volume fibers of any profiles to have the same intensitydistribution of fundamental mode has been derived. Under this condition. the normalized spot radius of fundamental mode is nearly 2In(V /P)]-1/2 (relativeerror being smaller than 10%) . |
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| Keywords: | fiber profile volume fundamental mode |
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