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A geometrical optics approach to encircled-flux compliant source modeling for multi-mode fiber illumination and connection attenuation

机译:用于多模光纤照明和连接衰减的环形光学方法对符合焊剂兼容源模拟的几何光学方法

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摘要

We construct ray-based encircled-flux compliant sources for multi-mode optical fiber launches using classic geometrical optics. In particular, we make an LP-mode conforming launch that excites only guided rays by distributing the (beta) over bar ray invariant according to a (scaled) counterpart of the modal power distribution of LP-modes. Propagation of the ray distribution is spatially stable and simulations of attenuation due to fiber connections and 1 mm far-field behavior using this source agree well with measurements. We caution against models that configure ray positions and ray directions independently and show that they are prone to produce unstable ray distributions. Lastly, we show that modal noise due to laterally misaligned fibers can be replicated using geometrical optics by configuring our LP-mode conforming sources to match the radial power distribution of 3000 vectorial full-wave spatio-temporal coherent speckle patterns.
机译:我们使用经典的几何光学构建用于多模光纤发射的基于射线的环绕通量符号源。特别是,我们通过根据LP模式的模态功率分布的(缩放)对应于,仅通过将(缩放)对应于LP模式的模态电力分布的(缩放)对应于,使LP模式符合标准的启动。光线分布的传播是空间稳定的,并且由于光纤连接和使用该来源的1mm远场行为的衰减与测量很好。我们对独立配置射线位置和光线方向的模型谨慎,并表明它们容易产生不稳定的射线分布。最后,我们表明可以通过配置我们的LP模式符合源来使用几何光学来复制由于横向未对准的光纤引起的模态噪声,以匹配3000矢量全波时空相干斑点图案的径向功率分布。

著录项

  • 来源
    《Optical fiber technology》 |2020年第1期|102116.1-102116.10|共10页
  • 作者单位

    Eindhoven Univ Technol Dept Elect Engn Electromagnet Div Flux 9-074 De Rondom 70 NL-5612 AP Eindhoven Netherlands|TE Connect Rietveldenweg 32 NL-5222 AR sHertogenbosch Netherlands;

    Eindhoven Univ Technol Dept Elect Engn Electromagnet Div Flux 9-074 De Rondom 70 NL-5612 AP Eindhoven Netherlands;

    CommScope Orteliuslaan 1000 NL-3528 BD Utrecht Netherlands;

    TE Connect Rietveldenweg 32 NL-5222 AR sHertogenbosch Netherlands;

  • 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

    Geometrical optics; Encircled flux; Connection; Attenuation;

    机译:几何光学;环绕的助焊剂;连接;衰减;

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