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Studies of plasmonic hot-spot translation by a metal-dielectric layered superlens

机译:金属电介质层状超透镜的等离激元热点平移研究

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摘要

We have studied the ability of a lamellar near-field superlens to transfer an enhanced electromagnetic field to the far side of the lens. In this work, we have experimentally and numerically investigated superlensing in the visible range. By using the resonant hot-spot field enhancements from optical nanoantennas as sources, we investigated the translation of these sources to the far side of a layered silver-silica superlens operating in the canalization regime. Using near-field scanning optical microscopy (NSOM), we have observed evidence of superlens-enabled enhanced-field translation at a wavelength of about 680 nm. Specifically, we discuss our recent experimental and simulation results on the translation of hot spots using a silver-silica layered superlens design. We compare the experimental results with our numerical simulations and discuss the perspectives and limitations of our approach.
机译:我们已经研究了层状近场超透镜将增强的电磁场传递到透镜远侧的能力。在这项工作中,我们通过实验和数值研究了可见范围内的超透镜。通过使用光学纳米天线的共振热点场增强作为源,我们研究了这些源到在渠化系统中运行的层状银-二氧化硅超透镜的远侧的平移。使用近场扫描光学显微镜(NSOM),我们已经观察到在约680 nm波长处具有超透镜功能的增强视场平移的证据。具体来说,我们讨论使用银-二氧化硅层状超透镜设计对热点进行平移的最新实验和模拟结果。我们将实验结果与数值模拟进行比较,并讨论了我们方法的观点和局限性。

著录项

  • 来源
    《Metamaterials: Fundamentals and applications IV》|2011年|p.80931J.1-80931J.20|共20页
  • 会议地点 San Diego CA(US)
  • 作者单位

    Birck Nanotechnology Center and School of Electrical and Computer Engineering, Purdue University, 1205 W. State St., West Lafayette, IN 47907 USA,Erlangen Graduate School of Advanced Optical Technologies (SAOT), Universitaet Erlangen-Nuernberg, Paul-Gordan-Str. 6, 91052 Erlangen, Germany;

    DTU Fotonik, Department of Photonics Engineering, Technical University of Denmark, Building 343, DK-2800 Kongens Lyngby, Denmark;

    Birck Nanotechnology Center and School of Electrical and Computer Engineering, Purdue University, 1205 W. State St., West Lafayette, IN 47907 USA;

    Erlangen Graduate School of Advanced Optical Technologies (SAOT), Universitaet Erlangen-Nuernberg, Paul-Gordan-Str. 6, 91052 Erlangen, Germany,Max Planck Institute for the Science of Light, Guenther-Scharowsky-Str. 1, 91058 Erlangen,Germany,Cluster of Excellence Engineering of Advanced Materials (EAM), Universitaet Erlangen-Nurnberg, Nagelsbachstrasse 49b, 91052 Erlangen, Germany;

    Institute of High Performance Computing, 1 Fusionopolis Way, #16-16 Connexis, Singapore 138632;

    Birck Nanotechnology Center and School of Electrical and Computer Engineering, Purdue University, 1205 W. State St., West Lafayette, IN 47907 USA;

    Birck Nanotechnology Center and School of Electrical and Computer Engineering, Purdue University, 1205 W. State St., West Lafayette, IN 47907 USA;

    Max Planck Institute for the Science of Light, Guenther-Scharowsky-Str. 1, 91058 Erlangen,Germany,Cluster of Excellence Engineering of Advanced Materials (EAM), Universitaet Erlangen-Nurnberg, Nagelsbachstrasse 49b, 91052 Erlangen, Germany;

    Birck Nanotechnology Center and School of Electrical and Computer Engineering, Purdue University, 1205 W. State St., West Lafayette, IN 47907 USA;

    Birck Nanotechnology Center and School of Electrical and Computer Engineering, Purdue University, 1205 W. State St., West Lafayette, IN 47907 USA,Erlangen Graduate School of Advanced Optical Technologies (SAOT), Universitaet Erlangen-Nuernberg, Paul-Gordan-Str. 6, 91052 Erlangen, Germany,DTU Fotonik, Department of Photonics Engineering, Technical University of Denmark, Building 343, DK-2800 Kongens Lyngby, Denmark;

  • 会议组织
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 材料;
  • 关键词

    superlens; canalization; silver; silicon dioxide; finite-difference time-domain simulations; near-field scanning optical microscopy;

    机译:超级镜头渠化银;二氧化硅;时域有限差分仿真;近场扫描光学显微镜;

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