Trace Detection of Cadmium ion Based on Glutathione-Functionalized TFBG-SPR Sensor

Ziqiao Ren,Fuxiang Wang,Jun Wu, Xijie Feng,Wenbo Sui, Jiahui Li, Yongqi Wang,Wenjun Zhou,Changyu Shen

2023 21st International Conference on Optical Communications and Networks (ICOCN)（2023）

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摘要

This paper presents a novel cadmium ion sensor that utilizes a tilted fiber Bragg grating functionalized by glutathione. Gold nanoparticles are used to amplify localized refractive index changes. The limit of detection is 0.07 nM.

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关键词

Titled fiber Bragg grating,Surface plasmon resonance,Cadmium ion

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