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AssigneeSterlite Technologies Limited
InventorsRANJITH BALAKRISHNAN, Rano Roy Kavanal, Anant Pawale, Rajendra Raut, Srinivas Reddy Munige, Anand Pandey
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The present invention relates to a method (200, 400, 500, 600) for drawing a bare optical fiber (118) from a cylindrical glass preform (102) in a furnace chamber (104) by hanging the cylindrical glass preform (102) near a first end (104a) of the furnace chamber (104), injecting first and second inert gasses inside the furnace chamber (104) in a predefined ratio of 0.3 to 5, and melting the cylindrical glass preform (102) while maintaining a positive pressure in the furnace chamber (104) to form the bare optical fiber (118) such that a Bare Fiber Diameter (BFD) variation of the bare optical fiber (118) is less than 0.1 micrometers (μm) from a mean diameter of the bare optical fiber (118).
A method (200, 400, 500, 600) for drawing a bare optical fiber (118) from a cylindrical glass preform (102) in a furnace chamber (104), the method (200, 400, 500, 600) comprising:
A method (200, 400, 500, 600) for drawing a bare optical fiber (118) from a cylindrical glass preform (102) in a furnace chamber (104), the method (200, 400, 500, 600) comprising:
An optical fiber (152) is manufactured using the method (200, 400, 500, 600) wherein the bare optical fiber (118) has a BFD of the predefined diameter with a tolerance of 0.1 microns.
Dependencies are inferred from the claim text.