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Pulse broadening in near-optimum graded-index fibres

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Impulse responses of a wide class of multimode optical fibres with near-optimum index profiles are investigated. The index profile is described by three parameters: the power law exponentα, the magnitude and the width of a dip at the centre of the core. It is found that for overcompensated profiles (α<αopt) a moderate dip decreases the r.m.s. dispersion. Leaky modes are found to improve the dispersion characteristics for fibres with a dip in the index profile. Impulse response measurements are interpretated to give information about the index profi

著录项

  • 来源
    《optical and quantum electronics》 |1978年第6期|521-526|共页
  • 作者

    J.J.RamskovHansen;

  • 作者单位

    Technical University of Denmark;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 英语
  • 中图分类
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