Method of fabricating an optical fiber with varying chromatic dispersion
OwnerJean-Claude Rousseau, Jean-Francois Chariotinventors
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Abstract
The invention proposes to fabricate an optical fiber by drawing a preform including several layers, at least one of which has a different viscosity to the other layers at the drawing temperature. The drawing tension is varied during drawing to obtain a fiber having a constant diameter and a varying profile. The chromatic dispersion of the fiber can therefore vary along the fiber. The invention applies to the fabrication of dispersion managed fibers (DMF).
Claims11
A method of fabricating an optical fiber with varying chromatic dispersion by drawing a preform having a core and a sleeve, the core being formed of a plurality of layers, at least one of which has a different viscosity than the other layers at the drawing temperature, in which method the drawing tension is varied at least once during drawing.
Dependencies are inferred from the claim text.