Surface plasmon resonance sensor based on coreless fiber for high sensitivity

被引：18
|
作者：
Han, Fei [1 ]
Lang, Tingting [1 ]
Mao, Bangning [1 ]
Zhao, Chunliu [1 ]
Kang, Juan [1 ]
Shen, Changyu [1 ]
Wang, Dongning [1 ]
机构：
[1] China Jiliang Univ, Inst Optoelet Technol, Hangzhou 310018, Zhejiang, Peoples R China
来源：
OPTICAL FIBER TECHNOLOGY | 2019年 / 50卷
基金：
中国国家自然科学基金;
关键词：
Optical fiber sensors; Refractive index fiber; Surface plasmon resonance; Multimode interference; REFRACTIVE-INDEX; MULTIMODE INTERFERENCE; SPR SENSOR;
D O I：
10.1016/j.yofte.2019.03.014
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 compact and simple surface plasmon resonance sensor based on coreless fiber for refractive index measurement is developed. Compared with common SPR sensors, the proposed SPR sensor has a shorter length of 1 cm, avoids a taper and can be used to detect a wider range of 1.335-1.4019. The resonant wavelength shifts similar to 200 nm to the longer wavelength in the refractive index range of 1.3335-1.4019. The average refractive sensitivity of 2836 nm/RIU is obtained in the range of 1.3335-1.4019, and the highest sensitivity can reach 4328.2 nm/RIU. Furthermore, our device has the advantages of small size, wide measuring range, excellent stability and short response time, which is appropriate for biological sensing.
引用
收藏
页码：172 / 176
页数：5
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