Highly Sensitive 1D Photonic Crystal Biosensor

被引：11
|
作者：
Ibrahim, Mahmoud Salman S. [1 ]
Tarek, Mohamed [1 ]
Obayya, S. S. A. [2 ]
Hameed, Mohamed Farhat O. [2 ]
机构：
[1] Arish Univ, Fac Sci, Phys Dept, Arish, Egypt
[2] Zewail City Sci & Technol, Ctr Photon & Smart Mat, Giza 12578, Egypt
来源：
2021 INTERNATIONAL APPLIED COMPUTATIONAL ELECTROMAGNETICS SOCIETY SYMPOSIUM (ACES) | 2021年
关键词：
Hemoglobin sensor; 1D PhC sensor; finite element method; Biosensor; HEMOGLOBIN; DESIGN;
D O I：
10.1109/ACES53325.2021.00089
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：
Highly sensitive one-dimensional photonic crystal (1D PhC) sensor for hemoglobin (Hb) concentration monitoring is proposed and analyzed. The suggested design is based on Si/air periodic structure with a central defect filled by the blood sample. The transmission spectrum through the suggested design has a resonant peak which is sensitive to the hemoglobin concentration. High sensor sensitivity of 443 nm/RIU with high quality factor of 6630 is achieved for transverse electric (TE) polarized mode. Further, high sensitivity of 440 nm/RIU with quality factor of 5216 is obtained for the transverse magnetic (TM) polarized mode in the hemoglobin concentrations range of (0 - 300 g/L). The analysis is carried out using full-vectorial finite-element method with scattering boundary conditions.
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页数：2
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