Plasmonic Nanorod Antenna Array: Analysis in Reflection and Transmission
Plasmonic Nanorod Antenna Array: Analysis in Reflection and Transmission
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等离激元纳米棒天线阵列：反射和透射分析
DOI：
10.1021/acs.jpcc.6b02419
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发表时间：
2016
影响因子：
3.7
通讯作者：
L. Eng
中科院分区：
文献类型：
--
作者：
Vera Fiehler;Fabian Patrovsky;L. Ortmann;Susan Derenko;Andreas Hille;L. Eng
金纳米棒天线阵列提供超强等离子体场增强和极好的宽带光谱可调性，如需要，如无标签生物传感，表面增强拉曼光谱，或光学滤波器设计。集成这种纳米棒衬底的关键问题是等离子体特性是否优于反射或透射几何，这显然需要进行彻底的分析。在此，我们对这种嵌入阳极氧化铝基体中的金纳米棒天线阵列进行了完整和基础的实验和理论研究。我们表明，在倾斜入射角下，这种纳米棒阵列中单个和耦合等离子体本征模式的激发为调整反射和传输应用中的光子响应提供了有效的工具。同时记录了整个可见光区域0 ~ 80°角度的s偏振和p偏振透射和反射强度。
Gold nanorod antenna arrays provide ultrastrong plasmonic field enhancement and a superb broadband spectral tunability, as needed, for example, for label-free biosensing, surface-enhanced Raman spectroscopy, or optical filter design. The key issue when integrating such nanorod substrates is the question whether the plasmonic properties are superior to be applied in reflection or transmission geometry, which clearly needs a thorough analysis. Here we provide a complete and fundamental experimental and theoretical investigation of such gold nanorod antenna arrays embedded in an anodized aluminum oxide matrix. We show that the excitation of individual and coupled plasmonic eigenmodes in such nanorod arrays under an oblique angle of incidence provides an efficient tool for tuning the photonic response for both reflection and transmission applications. Moreover, simultaneous recording of the transmitted and reflected intensities under s- and p-polarization for angles ranging from 0 to 80° over the whole visibl...
影响因子：
19
作者：
Evans, Paul R.;Kullock, Rene;Eng, Lukas M.
通讯作者：
Eng, Lukas M.