Optical fiber and manufacturing method thereof

Details Optical fiber and manufacturing method thereof Optical fiber and manufacturing method thereof

2004-05-18

2009-02-03

Healy, Brian M (Department: 2883)

Optical waveguides

Optical fiber waveguide with cladding

C385S124000, C385S141000, C065S385000, C065S393000, C065S412000, C065S419000, C065S422000, C065S426000, C065S428000

Reexamination Certificate

active

07486862

ABSTRACT:
A core rod is inserted into a cladding pipe, moisture in a space between the core rod and the cladding pipe is removed, and an optical fiber is drawn while the space is connected to a dry-gas atmosphere and/or being decompressed and while the core rod and the cladding pipe are being unified with each other. Alternatively, the core rod is inserted into the cladding pipe, and an optical fiber is drawn from one end while moisture on the surface of the core rod and the internal surface of the cladding pipe is being removed. Accordingly, a high quality optical fiber is manufactured with good productivity.

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Chinese Office Action, issued in corresponding Chinese Patent Application No. 200480013577.0, dated on Jul. 7, 2007.

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