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题名:
Polarization Dependent of Plasmonic Lenses with Variant Periods on Superfocusing
作者: Liu, Yu1; Fu, Yongqi1,2; Zhou, Xiuli1
刊名: PLASMONICS
出版日期: 2010-06-01
卷号: 5, 期号:2, 页码:117-123
关键词: Plasmonic lens ; Superfocusing ; FDTD ; Polarization
文章类型: Article
英文摘要: A plasmonic lens with variant periods was investigated for optical behavior at near-field by means of numerical computational method. To study influence of incident light on different polarization modes, we considered linear polarization, circular polarization, elliptical polarization, radial polarization (RP), and azimuthally polarization in our computational analyses. A finite difference and time domain algorithm is employed in the numerical study. Our computational numerical calculation results demonstrate that focusing performance for the plasmonic lens illuminated under radial polarization is best in comparison to that of the illumination with the other four polarization states. The plasmonic lens with RP illumination can realize superfocusing with ultra-long depth of focus. It is possible to be used as an optical probe or a type of plasmonic lens for imaging with high resolution in the near future.
WOS标题词: Science & Technology ; Physical Sciences ; Technology
类目[WOS]: Chemistry, Physical ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary
研究领域[WOS]: Chemistry ; Science & Technology - Other Topics ; Materials Science
关键词[WOS]: SURFACE CORRUGATIONS ; SUBWAVELENGTH HOLE ; BEAM ; LIGHT ; NANOSTRUCTURES ; TRANSMISSION
收录类别: SCI
语种: 英语
WOS记录号: WOS:000277793500003
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ioe.ac.cn/handle/181551/3324
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.Univ Elect Sci & Technol China, Sch Phys Elect, Chengdu 610054, Sichuan Prov, Peoples R China
2.Chinese Acad Sci, State Key Lab Opt Technol Microfabricat, Inst Opt & Elect, Chengdu 610054, Peoples R China

Recommended Citation:
Liu, Yu,Fu, Yongqi,Zhou, Xiuli. Polarization Dependent of Plasmonic Lenses with Variant Periods on Superfocusing[J]. PLASMONICS,2010,5(2):117-123.
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