Wide refractive index detection range surface plasmon resonance sensor based on D-shaped photonic crystal fiber

被引:12
|
作者
Pan, Honggang [1 ]
Pan, Fei [1 ]
Zhang, Ailing [1 ]
Cao, Chuanbo [1 ]
Xue, Fengjun [2 ]
机构
[1] Tianjin Univ Technol, Engn Res Ctr Commun Devices & Technol, Sch Integrated Circuit Sci & Engn,Minist Educ, Tianjin Key Lab Film Elect & Commun Devices, Tianjin 300384, Peoples R China
[2] Wuhan Running Educ Res Inst, Wuhan 430070, Peoples R China
关键词
Surface plasmon resonance; Photonic crystal fiber; Refractive index detection; Sensor; SILVER;
D O I
10.1007/s11082-022-03805-6
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
We propose and simulate a surface plasmon resonance (SPR) refractive index (RI) sensor based on a novel D-shaped photonic crystal fiber. We used an open air hole coated with gold film to improve SPR effect. The sensor uses photonic crystal fiber with the same air holes diameter. The effects of structural parameters on resonance spectrum were analyzed by finite element method (FEM). Three SPR peaks were obtained in the wavelength range of 800-1300 nm. The maximum sensitivity is 5626.86 nm/RIU and the maximum resolution is 1.78 x 10(-5) RIU at the refractive index of 1.38. The simulation results show that the refractive index detection range of the sensor is 1.26-1.38. Compared with other D-shaped structures, our sensor can measure larger RI ranges of the analyte.
引用
收藏
页数:8
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