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题名:
Super-Resolution Long-Depth Focusing by Radially Polarized Light Irradiation Through Plasmonic Lens in Optical Meso-field
作者: Peng, Ruobing1,2; Li, Xiong1; Zhao, Zeyu1; Wang, Changtao1; Hong, Minghui3; Luo, Xiangang1
刊名: PLASMONICS
出版日期: 2014-02-01
卷号: 9, 期号:1, 页码:55-60
关键词: Meso-field ; Plasmonic lens ; Radially polarized light ; Long DOF ; Super-resolution
文章类型: Article
英文摘要: In this paper, we propose a novel plasmonic lens design consisting of an annular slit and concentric grooves. The simulation results show that under radially polarized illumination, a super-resolution long depth of focus (DOF) spot can be achieved in optical meso-field due to the constructive interference of scattered light by the concentric grooves. We also analyze the influence of depth-tuned annular grooves on focusing performance, including focal length, DOF, and full-width half-maximum. Moreover, focusing efficiency can be enhanced (similar to 350 %) by introducing a circular metallic grating which surrounds the annular slit. This plasmonic lens has potential applications in nano-imaging and nano-photolithography.
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]: ARRAYS
收录类别: SCI
语种: 英语
WOS记录号: WOS:000330995700007
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ioe.ac.cn/handle/181551/2490
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 Nanofabricat & Microeng, Beijing 100049, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Natl Univ Singapore, Dept Elect & Comp Engn, Singapore 117576, Singapore

Recommended Citation:
Peng, Ruobing,Li, Xiong,Zhao, Zeyu,et al. Super-Resolution Long-Depth Focusing by Radially Polarized Light Irradiation Through Plasmonic Lens in Optical Meso-field[J]. PLASMONICS,2014,9(1):55-60.
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