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Optical Materials Express

Optical Materials Express

  • Editor: David J. Hagan
  • Vol. 3, Iss. 3 — Mar. 1, 2013
  • pp: 346–356

Predicting hole sizes after fibre drawing without knowing the viscosity

Y. Chen and T. A. Birks  »View Author Affiliations

Optical Materials Express, Vol. 3, Issue 3, pp. 346-356 (2013)

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We report the first analytical description of the drawing of fibres with holes that does not require knowledge of the viscosity (or temperature) of the glass in the furnace. The model yields expressions for the size of a hole that is isolated from other holes and small compared to the outer diameter of the fibre, but includes the effects of surface tension, pressurisation and arbitrary viscosity profiles. The effect of viscosity is represented by the fibre draw tension which, unlike viscosity, can readily be measured in practice by the fibre fabricator. The model matches experiments without recourse to any adjustable fitting parameters.

© 2013 OSA

OCIS Codes
(060.2280) Fiber optics and optical communications : Fiber design and fabrication
(060.2290) Fiber optics and optical communications : Fiber materials
(060.4005) Fiber optics and optical communications : Microstructured fibers
(060.5295) Fiber optics and optical communications : Photonic crystal fibers

ToC Category:
Materials for Fiber Optics

Original Manuscript: December 21, 2012
Revised Manuscript: January 31, 2013
Manuscript Accepted: January 31, 2013
Published: February 4, 2013

Y. Chen and T. A. Birks, "Predicting hole sizes after fibre drawing without knowing the viscosity," Opt. Mater. Express 3, 346-356 (2013)

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