Method for the production of glass preform for optical fibers

Details Method for the production of glass preform for optical fibers Method for the production of glass preform for optical fibers

C - Chemistry, Metallurgy

03

B

117/85

C03B 37/018 (2006.01) C03B 37/014 (2006.01) C03B 37/16 (2006.01) G02B 6/10 (2006.01)

Patent

CA 1245108

- 1 - Abstract: The invention provides a method for producing a glass preform for optical fibers in which fluorine is efficiently incorporated into the preform without the incorporation of Fe or Cu. A fine glass particle mass, made primarily of quartz, is converted into transparent glass by heating it in a gas atmosphere containing at least a fluorine-based compound gas and a chlorine-based compound gas. The preferred heating range is 1,100 to 1,400°C.

465913

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