Modeling of gold circular sub-wavelength apertures on a fiber endface for refractive index sensing
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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)
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.
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| Item type | Article |
| URI | https://vuir.vu.edu.au/id/eprint/23277 |
| DOI | 10.1007/s13320-012-0068-1 |
| Official URL | http://download.springer.com/static/pdf/858/art%25... |
| Subjects | Historical > FOR Classification > 1005 Communications Technologies Current > Division/Research > College of Science and Engineering |
| Keywords | ResPubID25685, optical fibres, surface plasmon resonance, periodic array, refractive index sensing, finite-difference, time-domain, modelling |
| Citations in Scopus | 8 - View on Scopus |
| Download/View statistics | View download statistics for this item |
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