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Fast Light and Focusing in 2D Photonic Quasicrystals

机译:快速光线和专注于2D光子拟卡术

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We present numerical studies of the electromagnetic wave propagation in a meta-material built from dielectric rods. The rods were arranged in a quasicrystalline lattice based on 10-fold Penrose tiling. We find wide isotropic band gaps and localized states, as expected in a quasicrystalline lattice. Our most important finding is the presence of the band gap edge states that are characterized by a very small refractive index (fast light). We use this phenomenon to design a focusing device - a plano-concave lens.
机译:我们呈现由介电棒构建的元材料中电磁波传播的数值研究。基于10倍的Peprose平均旋转杆布置在拟晶晶格中。我们在拟晶格中找到了宽的各向同性带隙和局部状态。我们最重要的发现是存在带隙边缘状态的存在,其特征在于非常小的折射率(快速光)。我们使用这种现象来设计聚焦装置 - 平面凹形镜头。

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