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题名:
Three-dimensional Nanoscale Far-field Focusing of Radially Polarized Light by Scattering the SPPs with an Annular Groove
作者: Zhang, Maoguo1,2; Du, Jinglei2; Shi, Haofei1; Yin, Shaoyun1; Xia, Liangping1; Jia, Baohua3,4; Gu, Min3,4; Du, Chunlei1
刊名: OPTICS EXPRESS
出版日期: 2010-07-05
卷号: 18, 期号:14, 页码:14664-14670
文章类型: Article
英文摘要: Three-dimensional (3D) nanoscale focusing of radially polarized light in far field by a simple plasmonic lens composed of an annular slit and a single concentric groove is reported. The numerical calculations reveal that the incident light is coupled to surface plasmon polaritons (SPP) by the annular slit and a focal spot with a size less than a half of the illumination wavelength is formed in the far field due to the constructive interference of the scattered light by the groove. More importantly, the focal length can be modulated by changing the groove diameter. This structure provides an admirable choice for the nano-optical devices. (C) 2010 Optical Society of America
WOS标题词: Science & Technology ; Physical Sciences
类目[WOS]: Optics
研究领域[WOS]: Optics
关键词[WOS]: PLASMONIC LENS ; BEAMS ; SLIT ; SPOT
收录类别: SCI
语种: 英语
WOS记录号: WOS:000279639900038
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ioe.ac.cn/handle/181551/3333
Appears in Collections:光电技术研究所被WoS收录文章_期刊论文

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作者单位: 1.Chinese Acad Sci, Inst Opt & Elect, State Key Lab Opt Technol Microfabricat, Chengdu 610209, Peoples R China
2.Sichuan Univ, Dept Phys, Chengdu 610064, Peoples R China
3.Swinburne Univ Technol, Fac Engn & Ind Sci, Ctr Microphoton, Hawthorn, Vic 3122, Australia
4.Swinburne Univ Technol, Fac Engn & Ind Sci, CUDOS, Hawthorn, Vic 3122, Australia

Recommended Citation:
Zhang, Maoguo,Du, Jinglei,Shi, Haofei,et al. Three-dimensional Nanoscale Far-field Focusing of Radially Polarized Light by Scattering the SPPs with an Annular Groove[J]. OPTICS EXPRESS,2010,18(14):14664-14670.
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