Sensitivity enhancement of metamaterial-based surface plasmon resonance biosensor for near infrared

被引：24

作者：

Pal, Sarika ^{[1
]}

Prajapati, Y. K. ^{[2
]}

Saini, J. P. ^{[3
]}

Singh, Vivek ^{[4
]}

机构：

[1] KIET Grp Inst, Dept Elect & Commun Engn, Ghaziabad 201206, UP, India

[2] Motilal Nehru Natl Inst Technol, Dept Elect & Commun Engn, Allahabad 211004, Uttar Pradesh, India

[3] BIET, Dept Elect & Commun Engn, Jhansi 284128, Uttar Pradesh, India

[4] Banaras Hindu Univ, Dept Phys, Fac Sci, Varanasi 221005, Uttar Pradesh, India

来源：

OPTICA APPLICATA | 2016年 / 46卷 / 01期

关键词：

metamaterials; sensor sensitivity; reflectance; evanescent field; SENSOR; LAYER;

D O I：

10.5277/oa160112

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

The present study investigates the angular response and sensitivity of a surface plasmon resonance biosensor with metamaterial, by taking the advantage of the remarkable property of metamaterials. The proposed biosensor numerically shows that silver with a metamaterial layer enhances the sensitivity. The thickness of metamaterial and silver layer has been optimized. On comparing these results with a conventional surface plasmon resonance biosensor, it is observed that the sensitivity of the proposed biosensor is improved by introducing the metamaterial. The proposed biosensor has a sensitivity 6.3124 times higher than that of the conventional surface plasmon resonance sensor.

引用

页码：131 / 143

页数：13

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