Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/44659
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Type: Journal article
Title: Enhancement of fluorescence-based sensing using microstructured optical fibres
Author: Afshar Vahid, S.
Warren-Smith, S.
Monro, T.
Citation: Optics Express, 2007; 15(26):17891-17901
Publisher: Optical Soc Amer
Issue Date: 2007
ISSN: 1094-4087
1094-4087
Statement of
Responsibility: 
Shahraam Afshar V., Stephen C. Warren-Smith and Tanya M. Monro
Abstract: We develop a generic model of excitation and fluorescence recapturing within filled microstructured optical fibres (MOFs) with arbitrary structure and demonstrate that the light-matter overlap alone does not determine the optimal fibre choice. Fibre designs with sub-wavelength features and high-index glasses exhibit localised regions of high intensity, and we show that these regions can lead to approximately two orders of magnitude enhancement of fluorescence recapturing. Here we show how this regime can be exploited for sensing and demonstrate experimentally in-fibre excitation and fluorescence recapturing within a filled, solid-core MOF.
Keywords: Spectrometry, Fluorescence; Sensitivity and Specificity; Reproducibility of Results; Equipment Design; Equipment Failure Analysis; Biosensing Techniques; Transducers; Computer-Aided Design; Fiber Optic Technology
Rights: © 2007 Optical Society of America
RMID: 0020074416
DOI: 10.1364/OE.15.017891
Published version: http://www.opticsexpress.org/abstract.cfm?uri=oe-15-26-17891
Appears in Collections:Centre of Expertise in Photonics publications
Physics publications

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