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首页> 外文期刊>Optical engineering >Two-dimensional photonic quasicrystal flat lens with three scatterers
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Two-dimensional photonic quasicrystal flat lens with three scatterers

机译：带三个散射体的二维光子准晶体平板透镜

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摘要

A two-dimensional (2-D) photonic quasicrystal (PQC) flat lens with three scatterers is proposed, and its focusing characteristics for a point source are analyzed for the case of a continuously changing scatterer radius. The results show that a super-lens can be formed by three scatterers, and there is a threshold for scatterer radius. The focusing characteristics of the flat lens within the focusing radius are changed with regularity. It is reported for the first time that best image quality and the stability of perfect imaging in this 2-D PQC flat lens with three scatterers are superior to those in 2-D PQC or periodic photonic crystal flat lenses with multiple scatterers.
机译：提出了具有三个散射体的二维（2-D）光子准晶体（PQC）平面透镜，并针对散射体半径连续变化的情况分析了其对点源的聚焦特性。结果表明，可以由三个散射体形成一个超透镜，并且散射体半径存在阈值。平面透镜在聚焦半径内的聚焦特性有规律地变化。首次报道，这种具有三个散射体的2-D PQC平面透镜的最佳图像质量和完美成像的稳定性优于具有多个散射体的2-D PQC或周期性光子晶体平面透镜。

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  • 来源
    《Optical engineering》 |2014年第7期|077101.1-077101.4|共4页
  • 作者

    Jianjun Liu; Zhigang Fan;

  • 作者单位

    Harbin Institute of Technology, School of Astronautics, Harbin 150001, China,Hunan University, College of Physics and Microelectronics Science, Changsha 410082, China;

    Harbin Institute of Technology, School of Astronautics, Harbin 150001, China;

  • 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

    photonic quasicrystal; flat lens; focusing; scatterer;

    机译：光子准晶体平面镜聚焦散射体;

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