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arXiv 0711.4553physics.optics
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二维金银纳米线光子晶格中的波导和等离子体共振

Waveguiding and Plasmon Resonances in Two-Dimensional Photonic Lattices of Gold and Silver Nanowires

Markus A. Schmidt, Luis N. Prill Sempere, Hemant K. Tyagi, Chris G. Poulton, Philip St. J. Russell

摘要:

我们报道了高光学质量的平行金和银纳米线的三角形晶格的制造,直径低至500 nm,长径比高达100,000。纳米线由二氧化硅玻璃基质支撑并围绕中心固体玻璃芯设置,即,丢失的纳米线这些厘米长的结构使得在纳米线阵列中捕获光并表征在特定光学频率下形成的等离子体共振成为可能。这种纳米线阵列具有许多潜在的应用,例如,to imaging成像on the sub-子wavelength波长scale规模.

英文摘要:

We report the fabrication of triangular lattices of parallel gold and silver nanowires of high optical quality, with diameters down to 500 nm and length-to-diameter ratios as high as 100,000. The nanowires are supported by a silica glass matrix and are disposed around a central solid glass core, i.e., a missing nanowire. These cm-long structures make it possible to trap light within an array of nanowires and characterize the plasmon resonances that form at specific optical frequencies. Such nanowire arrays have many potential applications, e.g., to imaging on the sub-wavelength scale.

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