Enhanced optical transmission: Role of the localized surface plasmon

被引:58
作者
Wu, Shan [1 ]
Wang, Qian-jin [1 ]
Yin, Xiao-gang [1 ]
Li, Jia-qi [1 ]
Zhu, Ding [1 ]
Liu, Shi-qiang [1 ]
Zhu, Yong-yuan [1 ]
机构
[1] Nanjing Univ, Natl Lab Solid State Microstruct, Nanjing 210093, Peoples R China
基金
中国国家自然科学基金;
关键词
D O I
10.1063/1.2977488
中图分类号
O59 [应用物理学];
学科分类号
摘要
We report the observation of enhanced optical transmission through the metal subwavelength hole arrays with nanoparticle inside the hole, and demonstrate the transmission enhancement and the suppression due to the excitation of the localized surface plasmon (LSP). We interpret this phenomenon with the Fano theory considering the real and imaginary parts of the polarizability of the LSP. (c) 2008 American Institute of Physics.
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页数:3
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