Prysmian Communications Cables and Systems USA, LLC

Prysmian S.p.a.

Martin Hanchard

Ben H Wells

Grant M Davidson

John Sach

Grant Davidson

An optical fiber cable includes at least one buffer tube that includes a plurality of water-blocking plugs and an optical fiber. The water-blocking plugs can be spaced along the buffer tubes, substantially filling the cross-sectional space within the buffer tube not already filled by the optical fiber. The water-blocking plugs can provide a stronger bond between the optical fibers and the inner tube. This is reflected by a high normalized pullout force for the optical fiber, such as, above 5.0 N/m. Yet, the resulting fiber optic cable does not suffer from problems associated with a higher pullout force, such as attenuation.

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Irmo, SC, United States of America

Martin Hanchard