Rollable optical fiber ribbon with low attenuation, large mode field diameter optical fiber and cable
AssigneeCorning Research & Development Corporation
InventorsDana Craig Bookbinder, Ming-Jun Li, Pushkar Tandon
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Abstract
A rollable optical fiber ribbon utilizing low attenuation, bend insensitive fibers and cables incorporating such rollable ribbons are provided. The optical fibers are supported by a ribbon body, and the ribbon body is formed from a flexible material such that the optical fibers are reversibly movable from an unrolled position to a rolled position. The optical fibers have a large mode filed diameter, such as ≥9 microns at 1310 nm facilitating low attenuation splicing/connectorization. The optical fibers are also highly bend insensitive, such as having a macrobend loss of ≤0.5 dB/turn at 1550 nm for a mandrel diameter of 15 mm.
Claims13
An optical fiber cable comprising:
- a polymeric outer cable jacket defining an exterior surface of the cable and a cable core,
- a plurality of buffer tubes surrounded by the cable jacket, and
- a plurality of optical fiber ribbons surrounded by each of the plurality of buffer tubes, each optical fiber ribbon comprising a plurality of optical fibers coupled together via a ribbon body,
- wherein each optical fiber of the plurality of optical fibers has an outer diameter ≤210 microns, and
- wherein a core fiber density is greater than 7.12 fibers per square millimeter as calculated by the total number of fibers divided by an area of the cable core as determined from a minimum cable core diameter.
Dependencies are inferred from the claim text.