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Modeling of gold circular sub-wavelength apertures on a fiber endface for refractive index sensing

Nguyen, Huy Huynh, Baxter, Gregory W, Collins, Stephen F, Sidiroglou, Fotios, Roberts, Ann and Davis, Timothy J (2012) Modeling of gold circular sub-wavelength apertures on a fiber endface for refractive index sensing. Photonic Sensors, 2 (3). pp. 271-276. ISSN 1674-9251 (print) 2190-7439 (online)

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Abstract

A finite-difference time-domain approach was used to investigate the excitation of surface plasmons of the circular sub-wavelength apertures on an optical fiber endface. This phenomenon provided the basis of a sensitive liquid refractive index sensor. The proposed sensor is compact and has the potential to be used in biomedical applications, having a sensitivity of (373 ± 16) nm per refractive index unit (RIU) as found through the variation of a reflection minimum with the wavelength.

Item Type: Article
Uncontrolled Keywords: ResPubID25685, optical fibres, surface plasmon resonance, periodic array, refractive index sensing, finite-difference, time-domain, modelling
Subjects: FOR Classification > 1005 Communications Technologies
Faculty/School/Research Centre/Department > College of Science and Engineering
Depositing User: Yimin Zeng
Date Deposited: 25 Jul 2014 03:44
Last Modified: 24 Oct 2017 06:18
URI: http://vuir.vu.edu.au/id/eprint/23277
DOI: https://doi.org/10.1007/s13320-012-0068-1
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Citations in Scopus: 8 - View on Scopus

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