Please use this identifier to cite or link to this item: https://hdl.handle.net/2440/57181
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Type: Journal article
Title: Practical sensitive fluorescence sensing with microstructured fibres
Author: Schartner, E.
White, R.
Warren-Smith, S.
Monro, T.
Citation: Proceedings of SPIE, 2009; 7503
Publisher: SPIE - International Society for Optical Engineering
Issue Date: 2009
ISSN: 0277-786X
Editor: Jones, J.D.C.
Statement of
Responsibility: 
E. P. Schartner, R. T. White, S. C. Warren-Smith, and T. M. Monro
Abstract: We demonstrate a new detection limit for fluorescent species in small-core glass microstructured optical fibres. Two detection schemes are explored: forward detection by an optical spectrum analyser; and backward detection by a photodiode. In the second scheme, characterisation of the fluorescence signal during fibre filling allows us to accurately separate quantum-dot fluorescence from intrinsic glass fluorescence. The spectral overlap of these two fluorescence sources is the principal limit to the detection sensitivity. We demonstrate a detection limit of ∼200 pM. © 2009 SPIE.
DOI: 10.1117/12.835350
Published version: http://dx.doi.org/10.1117/12.835350
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Physics publications

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