Surface plasmon resonance fiber optic biosensor-based graphene and photonic crystal

被引:8
|
作者
Tong, Kai [1 ]
Guo, Jia [1 ]
Dang, Peng [1 ]
Wang, Meiyu [1 ]
Wang, Fucheng [1 ]
Zhang, Yungang [1 ]
Wang, Meiting [2 ]
机构
[1] Yanshan Univ, Sch Elect Engn, Qinhuangdao 066004, Peoples R China
[2] Yanshan Univ, Coll Liren, Qinhuangdao 066004, Peoples R China
来源
MODERN PHYSICS LETTERS B | 2018年 / 32卷 / 06期
基金
中国国家自然科学基金;
关键词
Graphene; surface plasmon resonance; fiber optic sensor; transmission matrix; DEVICES; SENSOR; LAYER;
D O I
10.1142/S0217984918500720
中图分类号
O59 [应用物理学];
学科分类号
摘要
A new sensor - transverse electric (TE) polarized excite surface plasmon resonance (SPR) fiber optic biosensor is proposed. The graphene is the plasma layer. The transfer matrix method and the finite difference time domain method are applied to conduct the numerical simulation of the four layers (fiber core/photonic crystals/graphene/sample) of fiber optic biosensor. The results show that the relationship between refractive index and resonant wavelength is linear and the sensitivity of the fiber optic biosensor reaches 1942 nm/RIU.
引用
收藏
页数:11
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