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IOE OpenIR  > 光电技术研究所被WoS收录文章  > 期刊论文
题名:
Near-field visualization of focal depth modulation by step corrugated plasmonic slits
作者: Jia, Baohua1,2; Shi, Haofei3; Li, Jiafang1,2; Fu, Yongqi4; Du, Chunlei3; Gu, Min1,2
刊名: APPLIED PHYSICS LETTERS
出版日期: 2009-04-13
卷号: 94, 期号:15
关键词: integrated optics ; lenses ; light propagation ; optical design techniques ; optical fabrication ; optical focusing ; optical modulation ; plasmonics
文章类型: Article
英文摘要: Nanometric plasmonic slits with stepped corrugations have been designed and fabricated to achieve plasmonic focusing and focal depth modulation. A scanning near-field optical microscope is employed to directly visualize the transmitted light from the slits. The near-field and far-field two-dimensional images taken at different planes parallel to the slit surface unambiguously demonstrated the focusing effect of the nanoslits. Furthermore, by forming stepped corrugations with either a concave or a convex profile on both sides of the slits, the phase of the transmitted beam can be effectively manipulated, thus allowing an accurate tuning of the focal depth.
WOS标题词: Science & Technology ; Physical Sciences
类目[WOS]: Physics, Applied
研究领域[WOS]: Physics
关键词[WOS]: TRANSMISSION ; LIGHT ; ARRAYS ; FILMS
收录类别: SCI
语种: 英语
WOS记录号: WOS:000265285200029
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ioe.ac.cn/handle/181551/3315
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.Swinburne Univ Technol, Fac Engn & Ind Sci, Ctr Microphoton, Hawthorn, Vic 3122, Australia
2.Swinburne Univ Technol, Fac Engn & Ind Sci, CUDOS, Hawthorn, Vic 3122, Australia
3.Chinese Acad Sci, Inst Opt & Elect, State Key Lab Opt Technol Microfabricat, Chengdu 610209, Sichuan Prov, Peoples R China
4.Univ Elect Sci & Technol China, Sch Phys Elect, Chengdu 610054, Sichuan Prov, Peoples R China

Recommended Citation:
Jia, Baohua,Shi, Haofei,Li, Jiafang,et al. Near-field visualization of focal depth modulation by step corrugated plasmonic slits[J]. APPLIED PHYSICS LETTERS,2009,94(15).
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