Biophotonic sensor for rapid detection of brain lesions using 1D photonic crystal

被引：70
作者：
Nouman, Walaa M. [1 ]
Abd El-Ghany, S. E. S. [1 ]
Sallam, Samira M. [1 ]
Dawood, Abdel-Fattah B. [1 ]
Aly, Arafa H. [2 ]
机构：
[1] Benha Univ, Fac Sci, Phys Dept, Banha, Egypt
[2] Beni Suef Univ, Fac Sci, Phys Dept, TH PPM Grp, Bani Suwayf, Egypt
来源：
OPTICAL AND QUANTUM ELECTRONICS | 2020年 / 52卷 / 06期
关键词：
Photonic crystals; Optical properties; Brain lesions; Biosensor; REFRACTIVE-INDEX; LAYER;
D O I：
10.1007/s11082-020-02409-2
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 the present study, we study theoretically the detection of brain lesions by using the defected one-dimensional photonic crystal. The transfer matrix method is used to analyze the optical transmission characteristics of one-dimensional photonic crystals. The device performance is verified by measuring the red shift in resonant wavelength when the refractive index of brain lesions layer changes from 1.3333 to 1. 4833. Through the shifting spectrum, the sensitivity of the designed sensor for oligodendroglioma cells reaches to 3080.808 nm/RIU. The high figure of merit [FOM = 6.1 x 10(7) (1/RIU)] is achieved which evaluates the sensing performance comprehensively.
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页数：14
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