Design of Photonic Crystal Fiber Refractive Index Sensor Based on Surface Plasmon Resonance Effect for the Dual-Wavebands Measurement

被引：8
|
作者：
Ren, Chaobin [1 ]
Yuan, Jinhui [1 ]
Wang, Kuiru [1 ]
Yan, Binbin [1 ]
Sang, Xinzhu [1 ]
Yu, Chongxiu [1 ]
机构：
[1] Beijing Univ Posts & Telecommun, State Key Lab Informat Photon & Opt Commun, Beijing 100876, Peoples R China
来源：
FIBER AND INTEGRATED OPTICS | 2021年 / 40卷 / 4-6期
关键词：
Photonic crystal fiber; surface plasmon resonance; refractive index sensor; dual-wavebands measurement; BIOSENSOR;
D O I：
10.1080/01468030.2020.1830204
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
In this paper, we propose a photonic crystal fiber (PCF) refractive index (RI) sensor based on the surface plasmon resonance (SPR) effect. The coupling and sensing characteristics of the proposed PCF-SPR RI sensor are investigated by the finite element method. The proposed PCF-SPR RI sensor can achieve the dual-wavebands measurement. By controlling the analytes height and incident light wavelength, the PCF-SPR RI sensor shows different sensing performances. The maximum wavelength sensitivities of the proposed PCF-SPR RI sensors can be up to 2000 and 4000 nm/RIU in the wavelength ranges of 0.75 to 1.0 and 1.2 to 2 mu m, respectively.
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页码：263 / 275
页数：13
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