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题名:
A practical V-shaped nano-aperture flanked with surface corrugations for beam focusing
作者: Fu, Yongqi; Zhou, Wei; Lim, Lennie E. N.; Du, Chunlei; Shi, Haofei; Wang, ChangTao; Luo, Xiangang
刊名: JOURNAL OF COMPUTATIONAL AND THEORETICAL NANOSCIENCE
出版日期: 2007-05-01
卷号: 4, 期号:3, 页码:614-618
关键词: nano-aperture ; V-shaped ; beam focusing ; corrugations
文章类型: Article
英文摘要: A V-shaped nano-aperture flanked with surface corrugations at exit side for beam focusing is introduced in this paper. Our finite-difference time domain (FDTD) numerical algorithm results demonstrate that the V-shaped aperture with width at incident side d(2) as small as 10 nm and surrounded with 14 grooves with a constant depth of 80 nm can intensely excite a transmission and focusing the beam in far-field region. The beam propagating with 78.91 mu m focal length and similar to 4 mu m spot size can be obtained for the practical V-shaped nano-aperture which can be naturally formed during the FIB fine milling. Changing the groove number and aperture width at exit side d(1) has limited contribution on the transmission due to their nonlinear relations with the electric field intensity vertical bar E vertical bar.(2) The V-shaped nanostructures may be useful in nanophotonics devices.
WOS标题词: Science & Technology ; Physical Sciences ; Technology
类目[WOS]: Chemistry, Multidisciplinary ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Physics, Applied ; Physics, Condensed Matter
研究领域[WOS]: Chemistry ; Science & Technology - Other Topics ; Materials Science ; Physics
关键词[WOS]: LIGHT
收录类别: SCI
语种: 英语
WOS记录号: WOS:000246987900024
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ioe.ac.cn/handle/181551/3574
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.Nanyang Technol Univ, Sch Mech & Aerosp Engn, Precis Engn & Nanotechnol Ctr, Singapore 639798, Singapore
2.Chinese Acad Sci, Inst Opt & Elect, State Key Lab Technol Microfabricat, Chengdu 610209, Peoples R China

Recommended Citation:
Fu, Yongqi,Zhou, Wei,Lim, Lennie E. N.,et al. A practical V-shaped nano-aperture flanked with surface corrugations for beam focusing[J]. JOURNAL OF COMPUTATIONAL AND THEORETICAL NANOSCIENCE,2007,4(3):614-618.
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