Highly sensitive face-shaped label-free photonic crystal refractometer for glucose concentration monitoring

被引：42
作者：
Areed, Nihal F. F. [1 ,2 ]
Hameed, Mohamed Farhat O. [1 ,3 ]
Obayya, S. S. A. [1 ,2 ]
机构：
[1] Zewail City Sci & Technol, Ctr Photon & Smart Mat, Giza, Egypt
[2] Mansoura Univ, Fac Engn, Dept Elect & Commun Engn, Mansoura 35516, Egypt
[3] Mansoura Univ, Fac Engn, Math & Engn Phys Dept, Mansoura 35516, Egypt
来源：
OPTICAL AND QUANTUM ELECTRONICS | 2017年 / 49卷 / 01期
基金：
英国科研创新办公室;
关键词：
Photonic crystal; Refractometer; Biosensor; Finite difference time domain method; Transmission; Sensitivity; BIOSENSOR; DESIGN;
D O I：
10.1007/s11082-016-0847-9
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：
In this paper, a novel highly sensitive photonic crystal (PhC) refractometer for glucose concentration monitoring is reported and studied. The proposed design is based on two dimensional PhC platform with face-shaped defect filled with the analyzed analyte. Through this study, the effect of the structure geometrical parameters on the biosensor performance is investigated in order to maximize its sensitivity. The suggested biosensor proved to surpass the recent sensors with high linear sensitivity of 359 nm/RIU and an average quality factor of 477. The results are calculated using full-vectorial finite difference time domain method with perfectly matched layer boundary conditions. Also, the modal analysis of the PhC biosensor is made using full vectorial finite element method. Further, the reported biosensor has high quality promising applications for glucose monitoring.
引用
收藏
页数：12
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