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Type: Conference paper
Title: Highly-efficient fluorescence sensing using microstructured optical fibres; side-access and thin-layer configurations
Author: Warren-Smith, S.
Afshar Vahid, S.
Monro, T.
Citation: Proceedings of the 19th International Conference on Optical Fibre Sensors, 2008;7004
Publisher: S P I E - International Society for Optical Engineering
Publisher Place: Bellingham, Wa, USA
Issue Date: 2008
Series/Report no.: Proceedings of SPIE
ISBN: 9780819472045
ISSN: 0277-786X
Conference Name: International Conference on Optical Fibre Sensors (19th : 2008 : Perth, W.Aust.)
Abstract: A model is presented for calculating the performance of fluorescence-based optical-fibre sensors that considers the full vectorial nature of optical-fibre electromagnetic-field solutions making it suitable for modeling microstructured optical fibres with wavelength and sub-wavelength-scale features. By applying the model to a specific fibre geometry it is shown that high-index, small core (subwavelength) fibres allow for enhanced fluorescence capturing due to the formation of a thin, high-intensity layer at the core-cladding boundary. The model is evaluated in this regime for two sensing configurations of particular interest for future sensing systems, a side-access sensor for liquid-based sensing and a thin-layer (surface) sensor. Both configurations can offer improvements for fluorescence-based sensing.
Description: Poster session 1, Article number 70041X
RMID: 0020083735
DOI: 10.1117/12.785887
Appears in Collections:Centre of Expertise in Photonics publications

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