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Proceedings Paper

Microfluidic flow and heat transfer and their influence upon optical modes in microstructure fibres
Author(s): E. Davies; P. Christodoulides; G. Florides; K. Kalli
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Paper Abstract

Using finite element analysis (FEA), a model has been constructed to predict the thermo-fluidic and optical properties of a microstructure optical fibre (MOF). The properties under study include external temperature, input water velocity and optical fibre geometry. Under laminar flow the steady-state temperature is dependent on the water channel radius while independent of the input velocity. A critical channel radius is observed below which the steady-state temperature of the water channel is constant, while above, the temperature decreases. The MOF has been found capable of supporting multiple modes whose response to temperature was dominated by the thermo-optic coefficient of glass, despite the larger thermo-optic coefficient of water. This is attributed to the majority of the light being confined within the glass, which increased with increasing external temperature due to a larger difference in the refractive index between the glass core and the water channel.

Paper Details

Date Published: 7 May 2015
PDF: 9 pages
Proc. SPIE 9507, Micro-structured and Specialty Optical Fibres IV, 950708 (7 May 2015); doi: 10.1117/12.2185163
Show Author Affiliations
E. Davies, Cyprus Univ. of Technology (Cyprus)
P. Christodoulides, Cyprus Univ. of Technology (Cyprus)
G. Florides, Cyprus Univ. of Technology (Cyprus)
K. Kalli, Cyprus Univ. of Technology (Cyprus)

Published in SPIE Proceedings Vol. 9507:
Micro-structured and Specialty Optical Fibres IV
Kyriacos Kalli; Jiri Kanka; Alexis Mendez, Editor(s)

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