| 标准单模光纤宏弯曲损耗的理论研究 |
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| 引用本文： | 王建飞,王高刚,张逸新.标准单模光纤宏弯曲损耗的理论研究[J].光通信研究,2006,32(6):45-47. |
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| 作者姓名： | 王建飞 王高刚 张逸新 |
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| 作者单位： | 国防科学技术大学,光电科学与工程学院,湖南,长沙,410073;江南大学,控制中心通信研究所,江苏,无锡,214122 |
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| 摘 要： | 文章给出了多包层标准单模光纤的宏弯曲损耗模型,这一损耗模型不仅适用于多包层单模光纤的宏弯曲损耗的计算,也适用于单包层单模光纤的宏弯曲损耗的计算.文章还讨论了弯曲半径及工作波长与单模光纤弯曲损耗之间的关系,并把这种关系与传统的弯曲损耗模型进行了比较,比较结果表明,单模光纤包层对弯曲损耗有很大的影响.此外,文章还运用模式耦合理论详细解释了廊(Whispering-gallery,WG)模对损耗振荡的影响.
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| 关 键 词： | 单模光纤 弯曲损耗 WG模 |
| 文章编号： | 1005-8788（2006）06-0045-03 |
| 收稿时间： | 2006-04-14 |
| 修稿时间： | 2006年4月14日 |
Theoretical study of macrobend loss of standard monomode fibers |
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| Wang Jianfei,Wang Gaogang,Zhang Yixin.Theoretical study of macrobend loss of standard monomode fibers[J].Study on Optical Communications,2006,32(6):45-47. |
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| Authors: | Wang Jianfei Wang Gaogang Zhang Yixin |
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| Affiliation: | 1. College of Photoelectric Science and Engineering, National University of Defense Technology, Changsha 410073,China; 2. Institute of Communication Research Centre of Control Sci. , Southern Yangtze University, Wuxi 214122,China |
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| Abstract: | Modeling of macrobend loss of standard multicladded monomode fibers is presented,which can be used for the calculations of the macrobend losses of both multicladded and monocladded monomode fibers.The impact of the bending radius and operating wavelength on the bending loss of monomode fibers is discussed and the macrobend loss model compared with the conventional core-infinite cladding model,which indicates that the cladding of the monomode fiber has an evident effect on the bend loss.Furthermore,the impact of the whispering-gallery mode on the bend loss oscillation is described in detail. |
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| Keywords: | monomode fibers bend loss whispering-gallery mode |
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