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题名:
Plasmon hybridization in composite nanostructures with tunable resonances and vertex truncation analysis
作者: Luo, J.1,2; Qiu, C. K.1; Wang, W. M.1; Lin, Q.3
刊名: APPLIED OPTICS
出版日期: 2014-06-01
卷号: 53, 期号:16, 页码:3528-3532
文章类型: Article
英文摘要: An Ag/SiO2/Ag sandwich delta nanostar with three sharp angles (30 degrees) is proposed. The extinction efficiency property with a variation in environment refractive index has been investigated in detail by the finite difference time domain method. The refractive index response sensitivity is 482.67 nm/RIU. And the correlations between resonance wavelengths and thickness of the dielectric layer are also established. It reveals that as the thickness increases, the peak wavelength turns to red shift, and a tunable resonance wavelength is achieved through the thickness adjusting of the SiO2 layer. The maximum of the electric field enhancement is 833.776 with the thickness of the dielectric layer h = 40 nm. Moreover, the influence of the vertex truncation on the extinction spectra and the refractive index sensitivity has also been analyzed. (C) 2014 Optical Society of America
WOS标题词: Science & Technology ; Physical Sciences
类目[WOS]: Optics
研究领域[WOS]: Optics
关键词[WOS]: OPTICAL-PROPERTIES ; SIZE ; DIMERS ; SHAPE
收录类别: SCI
语种: 英语
WOS记录号: WOS:000337502100026
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ioe.ac.cn/handle/181551/2426
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, Chengdu 610209, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing 100039, Peoples R China
3.Columbia Univ, Dept Mech Engn, New York, NY 10027 USA

Recommended Citation:
Luo, J.,Qiu, C. K.,Wang, W. M.,et al. Plasmon hybridization in composite nanostructures with tunable resonances and vertex truncation analysis[J]. APPLIED OPTICS,2014,53(16):3528-3532.
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