Numerical investigation of a grating and graphene-based multilayer surface plasmon resonance biosensor Islam, MS and Kouzani, AZ 2014, Numerical investigation of a grating and graphene-based multilayer surface plasmon resonance biosensor, Journal of modern optics, vol. 61, no. 15, pp. 1209-1218, doi: 10.1080/09500340.2014.928373. Attached Files Name Description MIMEType Size Downloads Title Numerical investigation of a grating and graphene-based multilayer surface plasmon resonance biosensor Author(s) Islam, MS Kouzani, AZ orcid.org/0000-0002-6292-1214 Journal name Journal of modern optics Volume number 61 Issue number 15 Start page 1209 End page 1218 Publisher Taylor and Francis Place of publication Abingdon, Eng. Publication date 2014-09-02 ISSN 0950-0340 1362-3044 Keyword(s) dispersion relation Kretschmann configuration Maxwell's equations multilayer grating-graphene biosensor sensitivity enhancement Science & Technology Physical Sciences Optics METALLIC NANOWIRES RESOLUTION NANOPARTICLES SENSOR Summary A multilayer surface plasmon resonance biosensor (SPRB) incorporating a grating-graphene configuration is investigated for enhanced sensitivity. The numerical analysis of the impact of integrating a periodic array of subwavelength grating on top of a layer of graphene sheet for improving sensitivity is presented. The result of monitoring the biomolecular interactions of DNA hybridization is compared against the outcome of the conventional SPRB, a graphene-based multilayer SPRB, and a multilayer layer grating SPRB, and is mathematically validated. It is demonstrated that the inclusion of a grating and graphene layer on top of the gold thin film is an excellent candidate for a highly sensitive SPRB. To achieve further enhancement of sensitivity, the subwavelength grating is numerically optimized against its geometry including grating configurations (rectangular, sinusoidal, and triangular), grating depth, volume factor, and grating period. © 2014 Taylor & Francis. Language eng DOI 10.1080/09500340.2014.928373 Field of Research 090304 Medical Devices Socio Economic Objective 861502 Medical Instruments HERDC Research category C1 Refereed article in a scholarly journal ERA Research output type C Journal article Copyright notice ©2014, Taylor and Francis Persistent URL http://hdl.handle.net/10536/DRO/DU:30072119 Document type: Journal Article Collection: School of Engineering Related Links Link Description Connect to published version Go to link with your DU access privileges     Unless expressly stated otherwise, the copyright for items in DRO is owned by the author, with all rights reserved. Versions Version Filter Type Thu, 09 Apr 2015, 13:04:35 EST Thu, 09 Apr 2015, 13:06:16 EST Fri, 10 Apr 2015, 05:01:53 EST Fri, 10 Apr 2015, 06:10:19 EST Mon, 13 Apr 2015, 12:08:08 EST Mon, 13 Apr 2015, 12:08:50 EST Fri, 22 May 2015, 11:53:06 EST Mon, 25 May 2015, 08:14:10 EST Tue, 13 Feb 2018, 12:26:18 EST Tue, 13 Feb 2018, 12:27:11 EST Filtered Full Citation counts:   Cited 2 times in TR Web of Science Cited 4 times in Scopus Search Google Scholar Access Statistics: 237 Abstract Views, 2 File Downloads  -  Detailed Statistics Created: Thu, 09 Apr 2015, 13:06:16 EST

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