Apparatus for curing optical fiber coatings

Coating apparatus – With vacuum or fluid pressure chamber – With means to apply electrical and/or radiant energy to work...

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118420, 118DIG18, 118641, 2504921, 250504R, 65 34, B29C 4702, G02B 602

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050922645

ABSTRACT:
Drawn optical fiber is provided with at least one layer of a coating material. The coating material typically is a UV curable material and provides the optical fiber with mechanical and environmental protection. It has been found that the temperature at which the optical fiber is cured has a pronounced effect on the modulus of the cured coating material. In order to provide a coated optical fiber of which the coating material has a desired modulus, the temperature of the coating material during cure is controlled by controlling the amount of energy of infrared wavelength which impinges on the coating material.

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