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题名:
Enlarging the evanescent field scope by nanoparticle scattering for nanoparticle sensing of optical fiber sensors
作者: Luo, Ji1,2; Zhuang, Xuye1; Yao, Jun1
刊名: Proceedings of the Institution of Mechanical Engineers, Part N: Journal of Nanoengineering and Nanosystems
出版日期: 2012
卷号: 226, 期号:1, 页码:39-43
学科分类: Nanoparticles - Scattering
DOI: 10.1177/1740349912439263
通讯作者: Yao, J. (junyao@ioe.ac.cn)
文章类型: 期刊论文
中文摘要: A novel method to improve the sensitivity of evanescent field optical fiber sensors is proposed and confirmed by the numerical simulation. The evanescent field scope can be enlarged by nanoparticle scattering, which is produced by the nanoparticles placed in the evanescent field of the sensing fiber. It is found that the extent of nanoparticle scattering is dominated by the dimensions of the particles. Increasing the radius can enhance the scope of the evanescent filed. As the radius increases, the scattering peak shifts red and the scattering effect becomes obvious. The scattering efficiency accounts for about 74% of the extinction efficiency when the radius is 50 nm with the incident wavelength 420 nm. Moreover, the scope of the evanescent field can be extended to approximately 3 μm by silver nanoparticle scattering, which enhances the evanescent field to a relatively far-field scope. © 2012 IMechE.
英文摘要: A novel method to improve the sensitivity of evanescent field optical fiber sensors is proposed and confirmed by the numerical simulation. The evanescent field scope can be enlarged by nanoparticle scattering, which is produced by the nanoparticles placed in the evanescent field of the sensing fiber. It is found that the extent of nanoparticle scattering is dominated by the dimensions of the particles. Increasing the radius can enhance the scope of the evanescent filed. As the radius increases, the scattering peak shifts red and the scattering effect becomes obvious. The scattering efficiency accounts for about 74% of the extinction efficiency when the radius is 50 nm with the incident wavelength 420 nm. Moreover, the scope of the evanescent field can be extended to approximately 3 μm by silver nanoparticle scattering, which enhances the evanescent field to a relatively far-field scope. © 2012 IMechE.
收录类别: Ei
语种: 英语
ISSN号: 17403499
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ioe.ac.cn/handle/181551/6806
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. State Key of Optical Technologies on Nano-Fabrication and Micro-Engineering, Institute of Optics and Electronics, Chinese Academy of Sciences, Chengdu, China
2. Graduate University, Chinese Academy of Sciences, China

Recommended Citation:
Luo, Ji,Zhuang, Xuye,Yao, Jun. Enlarging the evanescent field scope by nanoparticle scattering for nanoparticle sensing of optical fiber sensors[J]. Proceedings of the Institution of Mechanical Engineers, Part N: Journal of Nanoengineering and Nanosystems,2012,226(1):39-43.
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