Corning Cable Systems

Siecor Operations, LLC

James A Register

Donald Kennedy Hall

Samuel D Nave

Louis Alexander Barrett

James B Dameron

A fiber optic cable having at least one optical fiber such as a micro structured bend performance optical fiber disposed within a protective covering. The protective covering is highly flexible and the fiber optic cable has extremely low delta attenuation when aggressively bent compared with the conventional fiber optic cable designs. By way of example, the delta attenuation of one fiber optic cable design is about 0.33 dB or less when wrapped 3 turns about a 7.5 millimeter mandrel at a reference wavelength of 1625 nanometers.

Fiber optic cables and assemblies and the performance thereof

A fiber optic cable having at least one optical fiber such as a microstructured bend performance optical fiber disposed within a protective covering. The protective covering is highly flexible and the fiber optic cable has extremely low delta attenuation when aggressively bent compared with the conventional fiber optic cable designs. By way of example, the delta attenuation of one fiber optic cable design is about 0.33 dB or less when wrapped 3 turns about a 7.5 millimeter mandrel at a reference wavelength of 1625 nanometers. Other variations of the present invention include a connector attached to the fiber optic cable.

A composite cable for use in indoor or indoor/outdoor applications having a fiber optic core section includes at least one optical fiber. The composite cable includes a conductor and water blocking section, the conductor and water blocking section having a set of conductors providing mechanical strength and flame inhibiting characteristics to the composite cable. At least one interstice of the composite cable includes a water blocking member therein. An armor layer surrounds the conductor and water blocking section, and the armor layer is surrounded by a cable jacket with an interfacial zone defined therebetween. The interfacial zone includes a controlled bond layer so that during flame tests, as the jacket burns and forms a char barrier around the tape layer, the controlled bond layer supports the char barrier relative to the armor tape, thereby protecting the tape from flames and inhibiting the propagation of flame along the cable.

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Hickory, NC, United States of America

James A Register