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题名:
Enhancement of focusing energy of ultra-thin planar lens through plasmonic resonance and coupling
作者: Jiao, J.; Zhao, Q.; Li, X.; Liang, G. F.; Huang, X. P.; Luo, X. G.
刊名: Optics Express
出版日期: 2014
卷号: 22, 期号:21, 页码:26277-26284
DOI: 10.1364/OE.22.026277
通讯作者: Luo, XG (reprint author), Chinese Acad Sci, Inst Opt & Elect, State Key Lab Opt Technol Nanofabricat & Microeng, POB 350, Chengdu 610209, Peoples R China.
文章类型: 期刊论文
中文摘要: A metal-insulator-metal (MIM) structure which is used to enhance the focusing energy of planar lens is developed in this work. The top of the MIM structure is formed by circularly arranged V-shaped nanoantennas whose double resonance effect makes it possible for light to obtain great phase changes within an ultra-thin area. The middle and bottom of the structure is medium and gold film layer respectively. This structure produces plasmonic coupling between the antenna layer and gold film, thus reducing Ohmic loss and enhancing the effect of plasmonic excitation. When the distance between the antenna layer with a thickness of 30nm and gold film is 88nm, and the thickness of gold film is 20nm, the enhancement of plasmonic coupling reaches to the strongest when the focusing intensity is 1.33 times higher than the lens only. With the advantages of small size, ultra-thin, great phase changes and high-efficient focusing ability, the enhanced plasmonic coupling lens structure can be widely applied in photoetching, and integrated optics. (C) 2014 Optical Society of America
英文摘要: A metal-insulator-metal (MIM) structure which is used to enhance the focusing energy of planar lens is developed in this work. The top of the MIM structure is formed by circularly arranged V-shaped nanoantennas whose double resonance effect makes it possible for light to obtain great phase changes within an ultra-thin area. The middle and bottom of the structure is medium and gold film layer respectively. This structure produces plasmonic coupling between the antenna layer and gold film, thus reducing Ohmic loss and enhancing the effect of plasmonic excitation. When the distance between the antenna layer with a thickness of 30nm and gold film is 88nm, and the thickness of gold film is 20nm, the enhancement of plasmonic coupling reaches to the strongest when the focusing intensity is 1.33 times higher than the lens only. With the advantages of small size, ultra-thin, great phase changes and high-efficient focusing ability, the enhanced plasmonic coupling lens structure can be widely applied in photoetching, and integrated optics. (C) 2014 Optical Society of America
收录类别: SCI
项目资助者: 973 Program of China [2013CBA01700] ; National Natural Science Funds [61138. 61177013]
语种: 英语
WOS记录号: WOS:000344004600164
ISSN号: 1094-4087
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ioe.ac.cn/handle/181551/6843
Appears in Collections:微细加工光学技术国家重点实验室(开放室)_期刊论文

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作者单位: 1.[Jiao, J.
2.Zhao, Q.
3.Liang, G. F.
4.Huang, X. P.] Univ Elect Sci & Technol China, Sch Phys Elect, Chengdu 610054, Peoples R China
5.[Jiao, J.
6.Li, X.
7.Liang, G. F.
8.Luo, X. G.] Chinese Acad Sci, Inst Opt & Elect, State Key Lab Opt Technol Nanofabricat & Microeng, Chengdu 610209, Peoples R China

Recommended Citation:
Jiao, J.,Zhao, Q.,Li, X.,et al. Enhancement of focusing energy of ultra-thin planar lens through plasmonic resonance and coupling[J]. Optics Express,2014,22(21):26277-26284.
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