Design and analysis of biosensor based on surface plasmon resonance

被引：51

作者：

Hossen, Md Nazmul ^{[1
]}

Ferdous, Md ^{[1
]}

Khalek, Md Abdul ^{[1
]}

Chakma, Sujan ^{[1
]}

Paul, Bikash Kumar ^{[2
,3
]}

Ahmed, Kawsar ^{[1
,2
]}

机构：

[1] Mawlana Bhashani Sci & Technol Univ MBSTU, Dept Informat & Commun Technol ICT, Santosh 1902, Tangail, Bangladesh

[2] Grp Biophotomatix, Santosh, Bangladesh

[3] Daffodil Int Univ, Dept Software Engn SWE, Dhaka 1207, Bangladesh

来源：

SENSING AND BIO-SENSING RESEARCH | 2018年 / 21卷

关键词：

Photonic crystal fiber; Perfectly match layer; Biosensor; Surface plasmon resonance; Sensitivity;

D O I：

10.1016/j.sbsr.2018.08.003

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

A photonic crystal fiber (PCF) biosensor based on surface plasmon resonance (SPR) is to obtain maximum sensitivity for the detection of unknown analytes. Chemically stable and inactive plasmonic material gold (Au) is used outside of the PCF structure. To evaluate the performance of the sensor, a perfectly match layer (PML) is also added for diminishing the unwanted nonphysical radiation. The proposed sensor is consists of double layer symmetrical square air holes. A small air hole in the center is used to produce the more evanescent field. Sensing performance is numerically investigated by the finite element method (FEM) based on commercially available tools COMSOL Multiphysics. The maximum amplitude sensitivity of this proposed sensor is 442.11 RIU-1 with the highest sensor resolution 1.66x10(-5) using amplitude integration method. The wavelength sensitivity is 6000 nm/RIU using amplitude integration method. The proposed sensor is widely applicable in bio-photonics applications.

引用

页码：1 / 6

页数：6

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