Modelling fiber drawing: capillary manufacture

Fitt, A.D., Please, C.P., Furusawa, K. and Monro, T.M. (2002) Modelling fiber drawing: capillary manufacture. CLEO 2002: Conference on Lasers and Electro-Optics, Long Beach, Long Beach, United States. 19 - 24 May 2002. pp. 20-21 . (doi:10.1109/CLEO.2002.1033378).

Record type: Conference or Workshop Item (Paper)

Abstract

Since the optical properties of a microstructured fiber depend critically upon the hole arrangement, it is important to be able to predict how the fabrication parameters influence the final cross-section. in order to accomplish this, we have developed a theoretical framework to study the problem of capillary drawing which is also of practical importance since it is a crucial step in the fabrication of more complex microstructured fibers. To develop a model that is capable of including effects such as surface tension, varying viscosity and internal hole overpressure, we begin from the Navier-Stokes equations. Asymptotic analysis has been used to simplify these equations for a number of regimes of physical interest, and we present here some of the useful insights provided by this approach.

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