Method of making optical fiber
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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N/A
Issued Date -
Aug 2, 2001
app pub date -
Nov 29, 2000
filing date -
Nov 29, 1999
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
When drawing an optical fiber from a preform, positive and negative dispersion sections of an optical fiber are provided, respectively, with target glass diameters different from each other, whereby the positive and negative dispersion sections attain their respective desirable values of chromatic dispersion. Also, the positive and negative dispersion sections and a transient section therebetween are provided, respectively, with values of control constant different from each other, which are used to converge the measured glass diameter to said target diameter, for adjusting the drawing speed, whereby the transient section is shortened. Alternatively, the positive and negative dispersion sections of the optical fiber are provided with respective target drawing speeds different from each other, whereby the transient section is shortened.
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