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Type: Journal article
Title: The mathematical modelling of capillary drawing for holey fibre manufacture
Author: Fitt, A.
Furusawa, K.
Monro, T.
Please, C.
Richardson, D.
Citation: Journal of Engineering Mathematics, 2002; 43(2/4):201-227
Publisher: Kluwer Academic Publ
Issue Date: 2002
ISSN: 0022-0833
Statement of
Fitt A.D., Furusawa K., Monro T.M., Please C.P. and Richardson D.J.
Abstract: Microstructured optical fibres (i.e. fibres that contain holes) have assumed a high profile in recent years, and given rise to many novel optical devices. The problem of manufacturing such fibres by heating and then drawing a preform is considered for the particularly simple case of annular capillaries. A fluid-mechanics model is constructed using asymptotic analysis based on the small aspect ratio of the capillary. The leading-order equations are then examined in a number of asymptotic limits, many of which give valuable practical information about the control parameters that influence the drawing process. Finally, some comparisons with experiment are performed. For a limited set of experiments where the internal hole is pressurised, the theoretical predictions give qualitatively accurate results. For a much more detailed set of experiments carried out with a high-grade silica glass where no hole pressurisation is used, the relevant asymptotic solution to the governing equations is shown to give predictions that agree remarkably well with experiment.
Description: The original publication can be found at
DOI: 10.1023/A:1020328606157
Appears in Collections:Aurora harvest 6
Centre of Expertise in Photonics publications
Physics publications

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