Method of producing an optical fiber

Details Method of producing an optical fiber Method of producing an optical fiber

1977-06-30

1979-04-17

Hoffman, James R.

Glass manufacturing

Processes

Forming product or preform from molten glass

427163, G02B 514

Patent

active

041498674

ABSTRACT:
An improved method of producing an optical fiber with a low transmission loss for use in an optical communication system. The method comprises a chemical vapor deposition process wherein starting materials in gas phase are oxidized to form a soot on a glass substrate, and the soot which deposits on the substrate is vitrified in an atmosphere of an inert gas which is easily dissolved in the vitrified glass. A preferable soot contains silicon dioxide, a first dopant for effecting an increase of the refraction index of the silicon dioxide and a second dopant for effecting a reduction of the vitrification temperature of the soot.

REFERENCES:
patent: 3933454 (1976-01-01), De Luca

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