基于金纳米线包覆微纤维的高灵敏度SPR传感器

H. Si, Jianhui Yu, Huihui Lu, Jieyuan Tang, J. Zhang, Heyuan Guan, Yunhan Luo, Zhe Chen
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引用次数: 2

摘要

本文提出了一种基于纳米金线包覆超细光纤的表面等离子体共振传感器。采用有限元方法对基于spr的光纤传感器进行了研究。在分析物折射率为1.33 ~ 1.34时,模拟了传感器灵敏度与微光纤半径的关系。仿真结果表明,优化后的微光纤半径为8.5μm,在7.5μm-10μm半径范围内灵敏度最高,达到4400nm/RIU。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
High sensitivity SPR sensor based on microfiber coated with gold nanowires
In this paper, we proposed surface plasmonic resonance (SPR) sensor based on microfiber coated with gold nanowires. Using finite element method, this SPR-based fiberoptic sensor is investigated. Dependence of sensitivity of the sensor on the microfiber radius is simulated for analyte refractive index of 1.33-1.34. The simulation shows that there is an optimized microfiber radius of 8.5μm, yielding to the highest sensitivity of 4400nm/RIU among the radius of 7.5μm-10μm.
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