Systems and methods for fabricating optical fiber preforms
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United States of America Patent
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Issued Date -
Jun 10, 2004
app pub date -
Dec 4, 2002
filing date -
Dec 4, 2002
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The present invention provides systems and methods for removing or decreasing the undesirable oscillations in MFD and dispersion in an OTDR trace of an optical fiber. In addition, the present invention removes the undesirable oscillations in core ovality of a preform fabricated by a vapor deposition technique. Briefly stated, the present invention comprises increasing the rotational rate of the substrate tube during the deposition process to between 50-65 rpm, preferably approximately 60 rpm.
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