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Erschienen in: Optical and Quantum Electronics 7/2015

01.07.2015

Comparative analysis for reflectivity of graphene based SPR biosensor

verfasst von: Goutam Mohanty, Bijay Kumar Sahoo, Jamil Akhtar

Erschienen in: Optical and Quantum Electronics | Ausgabe 7/2015

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Abstract

In this theoretical work, we have investigated the nature of reflectance from a graphene based SPR biosensor. Metals like gold, silver and copper are examined according to their minimum reflectance. The thickness of metal and graphene layers has been optimized to explore how plasmon dip varies with respect to number of graphene layers. It is found that plasmon dip does not vary linearly with respect to the number of graphene layers. However, by method of best fit, it is observed that plasmon dip varies as a three parameter exponential manner with the number of graphene layers. In addition, it is also shown that the shift of plasmon dip can be controlled by decreasing the thickness of metal (silver particularly) with increasing graphene layer.

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Metadaten
Titel
Comparative analysis for reflectivity of graphene based SPR biosensor
verfasst von
Goutam Mohanty
Bijay Kumar Sahoo
Jamil Akhtar
Publikationsdatum
01.07.2015
Verlag
Springer US
Erschienen in
Optical and Quantum Electronics / Ausgabe 7/2015
Print ISSN: 0306-8919
Elektronische ISSN: 1572-817X
DOI
https://doi.org/10.1007/s11082-014-0057-2

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