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https://hdl.handle.net/2440/119351
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Type: | Journal article |
Title: | Localized surface plasmon resonance biosensor: an improved technique for SERS response intensification |
Author: | Islam, M. Sultana, J. Aoni, R.A. Habib, M.S. Dinovitser, A. Ng, B.W.H. Abbott, D. |
Citation: | Optics Letters, 2019; 44(5):1134-1137 |
Publisher: | Optical Society of America |
Issue Date: | 2019 |
ISSN: | 0146-9592 1539-4794 |
Statement of Responsibility: | Saiful Islam, Jakeya Sultana, Rifat Ahmmed Aoni, Selim Habib, Alex Dinovitser, Brian W.-H. Ng and Derek Abbott |
Abstract: | As technology continues to advance, the development of novel sensing systems opens up new possibilities for low cost, practical biosensing applications. In this paper, we demonstrate a localized surface plasmon resonance (LSPR) system that combines both wave-guiding and plasmonic resonance sensing with a single microstructured polymeric structure. Characterizing the sensor using Finite Element Method (FEM) simulation results show a record wavelength sensitivity (WS) of 111000 nm/RIU, high amplitude sensitivity (AS) of 2050 RIU−1 , high sensor resolution and limit of detection (LOD) of 9 × 10−7 RIU and 8.12 × 10−12 RIU2/nm respectively. Furthermore, these sensors have the capability to detect an analyte within the refractive index (RI) range of 1.33 to 1.43 in the visible to mid-IR therefore being potentially suitable for applications in biomolecular and chemical analyte detection |
Keywords: | Surface Plasmon Resonance Equipment Design Finite Element Analysis Limit of Detection |
Rights: | © 2019 Optical Society of America |
DOI: | 10.1364/OL.44.001134 |
Grant ID: | http://purl.org/au-research/grants/arc/DP170104981 |
Published version: | http://dx.doi.org/10.1364/ol.44.001134 |
Appears in Collections: | Aurora harvest 8 Electrical and Electronic Engineering publications |
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