Optical biosensor based on enhanced surface plasmon resonance: theoretical optimization

被引：42

作者：

Meradi, Kada A. ^{[1
]}

Tayeboun, Fatima ^{[2
]}

Guerinik, Amine ^{[3
]}

Zaky, Zaky A. ^{[4
]}

Aly, Arafa H. ^{[4
]}

机构：

[1] Univ Ain Temouchent, Inst Sci & Technol, BP 284, Ain Temouchent 46000, Algeria

[2] Univ Djillali Liabes Sidi Bel Abbes, Sidi Bel Abbes 22000, Algeria

[3] Djillali Liabes Univ Sidi Bel, Dept Phys, Abbes 22000, Algeria

[4] Beni Suef Univ, Dept Phys, TH PPM Grp, Fac Sci, Bani Suwayf, Egypt

来源：

OPTICAL AND QUANTUM ELECTRONICS | 2022年 / 54卷 / 02期

关键词：

Plasmon resonance; Photonic crystals; Cancer cells; Sensitivity; SENSITIVITY-ENHANCEMENT; GRAPHENE; SENSOR; DESIGN;

D O I：

10.1007/s11082-021-03504-8

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 article, a theoretical design of enhanced surface plasmon resonance is proposed. The suggested sensor is composed of titanium, silver, graphene, photonic crystal, and a sensing layer. This structure is used to detect cancer cells and hemoglobin in blood plasma based on their refractive indices. Different parameters such as sensitivity and figure of merit are studied at an operating wavelength of 633 nm. The recorded sensitivity and figure of merit are 72 degrees/RIU and 346 RIU-1. The ability of the proposed sensor to detect cancer cells and blood plasma concentration will be investigated.

引用

页数：11

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