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题名:
Funnel-shaped arrays of metal nano-cylinders for nano-focusing
作者: Zhou, XL (Zhou Xiu-Li) ; Fu, YQ (Fu Yong-Qi) ; Wang, SY (Wang Shi-Yong) ; Peng, AJ (Peng An-Jin) ; Cai, ZH (Cai Zhong-Heng)
刊名: CHINESE PHYSICS LETTERS
出版日期: 2008
卷号: 25, 期号:9, 页码:3296-3299
学科分类: 微细加工技术
文章类型: 期刊论文
中文摘要: We analyse funnel-shaped arrays of metal nanocylinders that can be potentially used as waveguides for nano-focusing of light. The proposed structures consist of Ag nanocylinders with gradually changed radii and discrete spacing arranged like side-view funnels with different angles. Finite-difference and time-domain simulations demonstrate that the proposed structures with different spacings and funnel angles have versatile light propagation characteristics. These structures can focus the incident Gaussian light beam (200 nm at its full width at half maximum) into beam sizes of 10 nm, 15 nm, and 20 nm, respectively, which corresponds to the transmission efficiencies of 38%, 40%, and 80%.
收录类别: SCI
语种: 英语
ISSN号: 0256-307X
内容类型: 期刊论文
URI标识: http://ir.ioe.ac.cn/handle/181551/2053
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Recommended Citation:
Zhou, XL ,Fu, YQ ,Wang, SY ,et al. Funnel-shaped arrays of metal nano-cylinders for nano-focusing[J]. CHINESE PHYSICS LETTERS,2008,25(9):3296-3299.
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