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首页> 外文期刊>Japanese journal of applied physics >Interference of Photon Emitted by a Slit-Groove Structure after the Conversion of Photon to Surface Plasmons
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Interference of Photon Emitted by a Slit-Groove Structure after the Conversion of Photon to Surface Plasmons

机译：光子转换为表面等离激元后狭缝结构发射的光子的干扰。

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摘要

We report on an observation of an interference pattern from a slit-groove structure that was fabricated in a Au film. Although we had not used a double-slit, a Young-like interference pattern was observed. The origin of the interference pattern can be attributed to the fact that one cannot distinguish between the photon reemitted from the slit and that reemitted from the groove after the conversion of the photon to surface plasmons (SPs). We have investigated the modulation of the fringe visibility by varying the geometric parameters (slit-groove distance and depth of the grooves) in order to explore the properties of SPs. In our experiment, a visibility of 24% was obtained in the case of a slit-groove distance of 9.7 μm and a groove depth of 120 nm.
机译：我们报告了对在金膜中制造的狭缝结构的干涉图样的观察。尽管我们没有使用双缝，但观察到了类似Young的干涉图样。干涉图案的起源可归因于以下事实：在将光子转换为表面等离激元（SP）之后，无法区分从狭缝发射的光子和从凹槽发射的光子。我们已经研究了通过改变几何参数（缝槽距离和凹槽深度）来调节条纹可见性，以探索SP的特性。在我们的实验中，缝隙距离为9.7μm，槽深为120 nm时，可见度为24％。

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  • 来源
    《Japanese journal of applied physics》 |2009年第6issue1期|062001.1-062001.4|共4页
  • 作者

    Shigehiko Mori; Keisuke Hasegawa; Toshiya Segawa; Yuta Takahashi; Shuichiro Inoue;

  • 作者单位

    Institute of Quantum Science, Nihon University, 1-8-14 Kanda-Surugadai, Chiyoda, Tokyo 101-8308, Japan;

    Institute of Quantum Science, Nihon University, 1-8-14 Kanda-Surugadai, Chiyoda, Tokyo 101-8308, Japan;

    Institute of Quantum Science, Nihon University, 1-8-14 Kanda-Surugadai, Chiyoda, Tokyo 101-8308, Japan;

    Institute of Quantum Science, Nihon University, 1-8-14 Kanda-Surugadai, Chiyoda, Tokyo 101-8308, Japan Department of Applied Physics, Waseda University, 3-4-1 Okubo, Shinjuku, Tokyo 169-8555, Japan;

    Institute of Quantum Science, Nihon University, 1-8-14 Kanda-Surugadai, Chiyoda, Tokyo 101-8308, Japan;

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