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题名:
Numerical study of optical properties of ag/sio2/ag sandwich nanobowties
作者: Yang Lanying; Du ChunlEi; Luo Xiangang
刊名: Journal of Computational and Theoretical Nanoscience
出版日期: 2009
卷号: 6, 期号:1, 页码:106-111
通讯作者: Yang Lanying
文章类型: 期刊论文
中文摘要: A composite nanobowtie with Ag/SiO2/Ag sandwich structure is presented and its optical properties especially the Plasmon property are studied using the discrete dipole approximation (DDA) method in this paper. Our results show that this structure has simply-tunable surface Plasmon resonance (SPR) wavelengths and more "hotter spots" provided by the sandwich structure, as well as the remarkable enhancement of the localized E-field provided by the bowtie structure. The transverse and longitudinal Plasmon coupling mechanism is employed to explain tunable SPR and strong E-field enhancement respectively. The sandwich nanobowtie possesses the qualities of simplytunable SPR and great E-field enhancement, thereby holding a great potential in applications such as surface-enhanced Raman scattering (SERS).
英文摘要: A composite nanobowtie with Ag/SiO2/Ag sandwich structure is presented and its optical properties especially the Plasmon property are studied using the discrete dipole approximation (DDA) method in this paper. Our results show that this structure has simply-tunable surface Plasmon resonance (SPR) wavelengths and more "hotter spots" provided by the sandwich structure, as well as the remarkable enhancement of the localized E-field provided by the bowtie structure. The transverse and longitudinal Plasmon coupling mechanism is employed to explain tunable SPR and strong E-field enhancement respectively. The sandwich nanobowtie possesses the qualities of simplytunable SPR and great E-field enhancement, thereby holding a great potential in applications such as surface-enhanced Raman scattering (SERS).
收录类别: SCI ; Ei
语种: 英语
内容类型: 期刊论文
URI标识: http://ir.ioe.ac.cn/handle/181551/6695
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: 中国科学院光电技术研究所

Recommended Citation:
Yang Lanying,Du ChunlEi,Luo Xiangang. Numerical study of optical properties of ag/sio2/ag sandwich nanobowties[J]. Journal of Computational and Theoretical Nanoscience,2009,6(1):106-111.
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