Plasmonic optical properties of a single gold nano-rod

被引：61
作者：
Huang, Hung Ji
Yu, Chin Ping
Chang, Hung Chun
Chiu, Kuo Pin
Chen, Hao Ming
Liu, Ru Shi
Tsai, Din Ping [1 ]
机构：
[1] Natl Taiwan Univ, Dept Phys, Taipei 10617, Taiwan
[2] Natl Taiwan Univ, Ctr Nanostorage Res, Taipei 10617, Taiwan
[3] Natl Taiwan Univ, Grad Inst Elect Opt Eng, Taipei 10617, Taiwan
[4] Natl Taiwan Univ, Dept Chem, Taipei 10617, Taiwan
[5] Natl Taiwan Normal Univ, Inst Elect Opt Sci & Technol, Taipei 116, Taiwan
[6] Acad Sinica, Res Ctr Appl Sci, Taipei 115, Taiwan
来源：
OPTICS EXPRESS | 2007年 / 15卷 / 12期
关键词：
D O I：
10.1364/OE.15.007132
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Polarization- contrast microscopy coupled with an atomic force microscope is utilized to attain far- field optical images of the multipolar surface plasmon resonance ( SPR) modes of single gold nano- rod. Modulated standing modes resulted from the interference of longitudinal SPR modes and incident light are observed and studied. By counting the average distance of adjacent beats on this single gold nano- rod, the wave vector of longitudinal SPR modes can be obtained. We found a linear relationship between the wave vectors of the incident light and the induced SPR modes. Experimental results demonstrate a feasible way on acquiring plasmonic optical properties from an individual single gold nano- rod.(c) 2007 Optical Society of America.
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收藏
页码：7132 / 7139
页数：8
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