| 多模梯度折射率塑料光纤带宽的分析 |
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| 引用本文： | 刘凯,于荣金.多模梯度折射率塑料光纤带宽的分析[J].光子学报,2002,31(7):819-823. |
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| 作者姓名： | 刘凯 于荣金 |
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| 作者单位： | 燕山大学信息科学与工程学院,秦皇岛,066004 |
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| 基金项目： | 河北省科技专项资金资助项目。 |
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| 摘 要： | 结合WKB法对多模梯度折射率塑料光纤(GI-POF)色散和带宽进行了综合分析,研究了在GI-POF中材料色散对带宽影响的程度和规律,给出较佳折射率指数(g)的范围,并说明实测带宽高于理论带宽的原因.
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| 关 键 词： | 塑料光纤 带宽 材料色散 模间色散 模内色散 微分模式衰减 |
| 收稿时间： | 2001/8/13 |
| 修稿时间： | 2001年8月13日 |
ANALYSIS OF BANDWIDTH OF MULTI-MODE GI-POF |
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| Liu Kai,Yu Rongjin College of Information Science and Engineering,Yanshan University,Qinhuangdao.ANALYSIS OF BANDWIDTH OF MULTI-MODE GI-POF[J].Acta Photonica Sinica,2002,31(7):819-823. |
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| Authors: | Liu Kai Yu Rongjin College of Information Science and Engineering Yanshan University Qinhuangdao |
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| Institution: | Liu Kai,Yu Rongjin College of Information Science and Engineering,Yanshan University,Qinhuangdao,066004 |
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| Abstract: | It analyzes comprehensively all dispersion factors(such as modal,material,waveguide and profile dispersion properties)and differential mode attenuation affecting the bandwidth characteristics of multi mode GI POF by means of WKB method.The influence of the material dispersion on the bandwidth in multi mode GI POF is investigated.The better range of index exponent g for achievement of the required bandwidth is given.The main reason that the actual bandwidth is wider than the theoretical bandwidth is taken into account. |
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| Keywords: | Polymer optical fiber Bandwidth Material dispersion Intermodal dispersion Intramodal dispersion Differential mode attenuation |
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