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Band-edge oscillations of the diffraction spectrum of a volume hologram investigated by the air-doping model

机译:空气掺杂模型研究体积全息图衍射谱的带边振荡

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摘要

Oscillation exists at the high-frequency band edge in the diffraction spectrum of a volume hologram. An air-doping model of a volume hologram is proposed to explain the phenomenon. The numerical results show good agreement with the experimental results, which cannot be explained by the conventional models. The results show that the position of air impurity is the key factor to control the number and width of the oscillations. The present work gives a new approach to generate and control the defect mode in a holographic photonic crystal.
机译:体全息图的衍射光谱中的高频带边缘处存在振荡。提出了体积全息图的空气掺杂模型来解释该现象。数值结果与实验结果吻合良好,传统模型无法解释。结果表明,空气杂质的位置是控制振荡次数和宽度的关键因素。本工作提供了一种在全息光子晶体中产生和控制缺陷模式的新方法。

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