Method and apparatus for fabricating an optical fiber preform in ovd
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United States of America Patent
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Issued Date -
Jan 13, 2005
app pub date -
Jun 11, 2004
filing date -
Oct 17, 2002
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Disclosed are method and apparatus for fabricating an optical fiber preform in OVD (Outside Vapor Deposition) by depositing soot particles, generated by reaction of gas emitted from a burner, on a surface of a rotating mandrel. In the method and apparatus, it is controlled so that deposition concentration of the soot particles deposited on the preform is kept constant regardless of a radius of the preform or gradually increasing outward by keeping constant or gradually decreasing a trajectory velocity of a certain time on the surface of the rotating preform while depositing the soot particles.
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