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Enlarging the evanescent field scope by nanoparticle scattering for nanoparticle sensing of optical fiber sensors
Luo, Ji1,2; Zhuang, Xuye1; Yao, Jun1; Yao, J. (junyao@ioe.ac.cn)
Source PublicationProceedings of the Institution of Mechanical Engineers, Part N: Journal of Nanoengineering and Nanosystems
Volume226Issue:1Pages:39-43
2012
Language英语
ISSN17403499
DOI10.1177/1740349912439263
Indexed ByEi
Subtype期刊论文
AbstractA 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.; 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.
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Document Type期刊论文
Identifierhttp://ir.ioe.ac.cn/handle/181551/6806
Collection微细加工光学技术国家重点实验室(开放室)
Corresponding AuthorYao, J. (junyao@ioe.ac.cn)
Affiliation1. 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
GB/T 7714
Luo, Ji,Zhuang, Xuye,Yao, Jun,et al. 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.
APA Luo, Ji,Zhuang, Xuye,Yao, Jun,&Yao, J. .(2012).Enlarging the evanescent field scope by nanoparticle scattering for nanoparticle sensing of optical fiber sensors.Proceedings of the Institution of Mechanical Engineers, Part N: Journal of Nanoengineering and Nanosystems,226(1),39-43.
MLA Luo, Ji,et al."Enlarging the evanescent field scope by nanoparticle scattering for nanoparticle sensing of optical fiber sensors".Proceedings of the Institution of Mechanical Engineers, Part N: Journal of Nanoengineering and Nanosystems 226.1(2012):39-43.
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