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首页> 外文期刊>Optics Communications: A Journal Devoted to the Rapid Publication of Short Contributions in the Field of Optics and Interaction of Light with Matter >Direct measurement of plasmon propagation length of Ag nanowire waveguide via polymer nanofiber launching
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Direct measurement of plasmon propagation length of Ag nanowire waveguide via polymer nanofiber launching

机译:通过聚合物纳米纤维发射直接测量Ag纳米线波导的等离子体传播长度

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摘要

Herein, we demonstrate a simple, direct measurement of plasmon propagation length of Ag nanowire waveguide. Using dye-doped polymer nanofiber for launching, propagating surface plasmon polaritons on multiple silver nanowires are efficiently excited under wide-field illumination. By monitoring the length dependence of the intensity of scattering light at the nanowire ends, a typical plasmon propagation length of 15.1 +/- 1.0 mu m in Ag nanowire with 120 nm in diameter is directly extracted. Photon-plasmon coupling efficiency of about 40% is determined, which is independent of the orientation of Ag nanowire.
机译:这里,我们证明了AG纳米线波导的等离子体传播长度的简单直接测量。 使用用于发射的染料掺杂的聚合物纳米纤维,在多银纳米线上传播表面等离子体极性恒星在宽场照明下有效地激发。 通过监测纳米线端部散射光强度的长度依赖性,直接提取120nm的Ag纳米线中的典型等离子体传播长度为15.1 +/-1.0μm。 测定约40%的光子 - 等离子体耦合效率,其与Ag纳米线的取向无关。

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