SPR Sensor Based on Cascaded NCF and U-Shaped Multimode Fibers for Simultaneous Detection of Refractive Index and Temperature

被引：9
|
作者：
Wang, Haoran [1 ,2 ]
Wu, Mengyuan [1 ,2 ]
Zhou, Jing [1 ,2 ]
Zheng, Shichen [1 ,2 ]
Xie, Tongtong [1 ,2 ]
Dai, Weiyu [1 ,2 ]
Fu, Hongyan [1 ,2 ]
Lv, Wenlong [3 ]
Chen, Nan [1 ,2 ]
Bu, Yikun [1 ,2 ]
机构：
[1] Xiamen Univ, Dept Elect Engn, Sch Elect Sci & Engn, Natl Model Microelect Coll, Xiamen 361005, Peoples R China
[2] Xiamen Univ, Fujian Key Lab Ultrafast Laser Technol & Applicat, Xiamen 361005, Peoples R China
[3] Xiamen Univ, Pen Tung Sah Res Inst Micronano Sci & Technol, Xiamen 361005, Peoples R China
来源：
IEEE SENSORS JOURNAL | 2023年 / 23卷 / 15期
基金：
中国国家自然科学基金;
关键词：
Dual-parameter sensing; no-core fiber (NCF); surface plasmon resonance (SPR); U-shaped multimode fiber (MMF); SURFACE-PLASMON RESONANCE; SENSITIVITY;
D O I：
10.1109/JSEN.2023.3282657
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A surface plasmon resonance (SPR) sensor based on hybrid structure with cascaded no-core fiber (NCF) and U-shaped multimode fiber (MMF) for simultaneous measurement refractive index (RI) and temperature is proposed. One of the SPR channels excited using the U-shaped MMF coated with an Au film is employed for measuring the RI, while the other SPR channel that is excited using the NCF coated with an Au film and polydimethylsiloxane (PDMS) is used for temperature measurement at the same time. The experimental results show that an RI sensitivity of 3364 nm/RIU and a temperature sensitivity of -3.26 nm/degrees C are achieved by using the proposed sensor. The proposed sensor offers the advantages of a compact structure and stability, making it suitable for potential applications in fields requiring multiparameter measurements, such as environmental monitoring, drug diagnostics, and biochemical sensing.
引用
收藏
页码：16851 / 16858
页数：8
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