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https://hdl.handle.net/2440/51261
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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.) |
Editor: | Sampson, D. Collins, S. Oh, K. Yamauchi, R. |
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 |
DOI: | 10.1117/12.785887 |
Published version: | http://dx.doi.org/10.1117/12.785887 |
Appears in Collections: | Aurora harvest 5 Centre of Expertise in Photonics publications |
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