Optical characterization of plasmonic metallic nanostructures fabricated by high-resolution lithography

被引：15
|
作者：
Yokota, Yukie [1 ]
Ueno, Kosei [1 ]
Mizeikis, Vygantas [1 ]
Juodkazis, Saulius [1 ]
Sasaki, Keiji [1 ]
Misawa, Hiroaki [1 ]
机构：
[1] Hokkaido Univ, Res Inst Elect Sci, Kita Ku, Sapporo, Hokkaido 0010021, Japan
来源：
JOURNAL OF NANOPHOTONICS | 2007年 / 1卷
关键词：
localized surface plasmons; metalic nanoparticles; noble metals; optical antenna;
D O I：
10.1117/1.2832749
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Highly homogeneous arrays of Ag, Au and Cu nanorods were fabricated on glass substrates using electron-beam lithography and lift-off techniques. Optical properties of the fabricated structures related to localized surface plasmons (LSP), and their dependencies on the nanorod size were studied experimentally by optical extinction spectroscopy. Spectral tuning of LSP resonant scattering bands in a wide spectral range, from visible to near-infrared wavelengths, can be accomplished by tailoring of the nanorod dimensions, aspect ratios, and heights. The observed results qualitatively agree with Gans theory and numerical modeling by finite-difference time-domain technique.
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页数：15
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