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|Title:||The mathematical modelling of capillary drawing for holey fibre manufacture|
|Citation:||Journal of Engineering Mathematics, 2002; 43(2/4):201-227|
|Publisher:||Kluwer Academic Publ|
|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 www.springerlink.com|
|Appears in Collections:||Physics publications|
Centre of Expertise in Photonics publications
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