Method of drawing optical fiber preform to manufacture optical f

Details Method of drawing optical fiber preform to manufacture optical f Method of drawing optical fiber preform to manufacture optical f

1996-10-30

1999-10-05

Hoffmann, John

Glass manufacturing

Processes of manufacturing fibers, filaments, or preforms

With measuring, controlling, sensing, programming, timing,...

65384, 65381, 65488, C03B 37027, C03B 3707

Patent

active

059616814

ABSTRACT:
A method of drawing an optical fiber preform to manufacture an optical fiber, includes the steps of heating an optical fiber preform to temperatures at which the heated preform can be drawn, drawing the heated optical fiber preform by applying tension to the preform, and making the tension substantially constant during the drawing step. The particular method permits manufacturing an optical fiber exhibiting uniform transmitting characteristics, particularly uniform transmission loss, over the entire lengthwise region of the optical fiber, even if the optical fiber is manufactured by drawing an optical fiber preform having a large diameter.

REFERENCES:
patent: 4793840 (1988-12-01), Harding
patent: 5316562 (1994-05-01), Smithgall

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