A Dual-Core Two-Parameter of RI and Temperature Photonic Crystal Fiber Sensor Based on the SPR Effect

被引：14
作者：
Hu, Linchuan [1 ,2 ]
Li, Jianshe [1 ,2 ]
Li, Shuguang [1 ,2 ]
Zhao, Yuanyuan [1 ,2 ]
Yin, Zhiyong [1 ,2 ]
Li, Kaifeng [1 ,2 ]
Wang, Chun [1 ,2 ]
Zhang, Sa [1 ,2 ]
Pei, Menglei [1 ,2 ]
机构：
[1] Yanshan Univ, Sch Sci, State Key Lab Metastable Mat Sci & Technol, Qinhuangdao 066004, Peoples R China
[2] Yanshan Univ, Sch Sci, Key Lab Microstruct Mat Phys Hebei Prov, Qinhuangdao 066004, Peoples R China
来源：
PLASMONICS | 2024年 / 19卷 / 03期
基金：
中国国家自然科学基金;
关键词：
Surface plasmonic resonance; Photonic crystal fiber; Temperature sensing; Refractive index sensing; PLASMON RESONANCE SENSORS; NUMERICAL-ANALYSIS; REFRACTIVE-INDEX; DESIGN; FABRICATION; BIOSENSOR;
D O I：
10.1007/s11468-023-02099-y
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
This paper presents a dual-core two-parameter optical fiber sensor based on the surface plasmonic resonance (SPR) effect. It is analyzed by the finite element method. The proposed sensor is a dual-channel structure designed with photonic crystal fiber (PCF) as the base material: one channel is coated with a gold film to measure the refractive index (RI) of the solution to be measured, and the other channel is coated with a gold film and polydimethylsiloxane to measure the temperature of the solution to be measured. The exposed microslot structure on both sides reduces the complexity of sensing measurements. The results show that the maximum RI sensitivity of the sensor is 19,900 nm/RIU, and the maximum sensitivity to temperature is 8.7 nm/celcius. This work is conducive to realizing a PCF sensor with high sensitivity, large measurement range, real-time monitoring, and easy preparation. As a result, the sensor is expected to be widely used in fields such as biology and chemicals.
引用
收藏
页码：1667 / 1678
页数：12
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