Frequency response in step index plastic optical fibers obtained from the generalized power flow equation

被引：44

作者：

Mateo, J. ^{[1
]}

Losada, M. A. ^{[1
]}

Zubia, J. ^{[2
]}

机构：

[1] Univ Zaragoza, Dept Elect Engn, Aragon Inst Engn Res I3A, GTF, E-50018 Zaragoza, Spain

[2] Univ Basque Country, E-48013 Bilbao, Spain

来源：

OPTICS EXPRESS | 2009年 / 17卷 / 04期

关键词：

D O I：

10.1364/OE.17.002850

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We present a method to obtain the frequency response of step index ( SI) plastic optical fibers (POFs) based on the power flow equation generalized to incorporate the temporal dimension where the fibre diffusion and attenuation are functions of the propagation angle. To solve this equation we propose a fast implementation of the finite-difference method in matrix form. Our method is validated by comparing model predictions to experimental data. In addition, the model provides the space-time evolution of the angular power distribution when it is transmitted throughout the fibre which gives a detailed picture of the POFs capabilities for information transmission. Model predictions show that angular diffusion has a strong impact on temporal pulse widening with propagation. (c) 2009 Optical Society of America

引用

页码：2850 / 2860

页数：11

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