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Empirical relations to determine the normalized spot size of a single-mode trapezoidal index fiber and computation of its propagation characteristics

机译:确定单模梯形折射率光纤归一化光斑尺寸的经验关系及其传播特性的计算

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摘要

Simple and complete empirical relations are presented here to determine a normalized spot size in terms of normalized frequencies over a long range and aspect ratio of a trapezoidal index single-mode fiber considering Gaussian approximation of the fundamental mode following the Marcuse method for the first time. After verification of their validity for arbitrary values of aspect ratio and normalized frequency, we calculate various propagation characteristics viz. dispersion and splice loss by using our formulations. Upon comparison, we observe an excellent match and the validity of our results with exact values and other results available in the literature. These formulas should attract the attention of experimentalists as a simple alternative to the rigorous methods of estimating the propagation characteristics of such fibers.
机译:此处介绍简单和完整的经验关系,以便首次考虑采用Marcuse方法的基本模的高斯近似,根据梯形折射率单模光纤的长距离和长宽比确定归一化光斑的大小,该归一化光斑的大小取决于长距离的归一化频率。在验证了它们对于纵横比和归一化频率的任意值的有效性之后,我们计算了各种传播特性,即。通过使用我们的配方分散和熔接损耗。经过比较,我们观察到了极好的匹配以及我们的结果与准确值和文献中提供的其他结果的有效性。这些公式应作为严格的估计此类纤维传播特性的方法的替代方法,引起实验学家的注意。

著录项

  • 来源
    《Optical engineering》 |2014年第7期|076103.1-076103.7|共7页
  • 作者单位

    University of Calcutta, Department of Electronic Science, 92 A.P.C. Road, Kolkata 700009, India,Vidyasagar University, Department of Electronics, Midnapore 721102, India;

    University of Calcutta, Department of Electronic Science, 92 A.P.C. Road, Kolkata 700009, India,University of Calcutta, Centre for Research in Nanoscience and Nanotechnology, Salt Lake, Kolkata 700098, India;

  • 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 eng
  • 中图分类
  • 关键词

    single-mode fiber; trapezoidal index profile; spot size; dispersion; splice loss;

    机译:单模光纤梯形折射率分布斑点大小分散;接头损失;

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