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Abstract

The optical fiber preform is a long cylinder of glass that contains core and cladding glasses. This article describes the relationship between the peak furnace temperature, fiber draw tension, and fiber draw speed. It focuses on temperature requirements such as product viscosity, hot zone length, temperature profile, and heating cycle to draw the glass. The article provides information on process gases in the draw induction furnace, insulation package for induction heating operations, and furnace design and scalability. It reviews the key factors for the selection of susceptor materials, namely, cost, temperature cycling, and the impact on the product.

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Daniel W. Hawtof, 2014. "Induction Heating in Optical Fiber Draw Processing", Induction Heating and Heat Treatment, Valery Rudnev, George E. Totten

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