Fiber optic assemblies and methods of making the same
First Claim
Patent Images
1. A fiber optic cable comprising:
- at least one central strength member, the at least one central strength member essentially lacking anti-buckling strength;
a first layer of optical fibers;
a second layer of optical fibers, wherein the fiber optic cable excludes a separation layer between the first layer of optical fibers and the second layer of optical fibers; and
a jacket surrounding the first and second layers of optical fibers.
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Abstract
A fiber optic assembly and method of manufacturing the same include at least one central strength member, a first layer of optical fibers, a second layer of optical fibers, and a jacket. The first and second layers of optical fibers are adjoining layers formed by a common strander. Optical fibers can migrate between the adjoining two layers at different longitudinal positions in the cable without entanglement among themselves. Additionally, the optical fibers in adjoining layers can have the same lay length and same phase relationship.
61 Citations
41 Claims
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1. A fiber optic cable comprising:
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at least one central strength member, the at least one central strength member essentially lacking anti-buckling strength;
a first layer of optical fibers;
a second layer of optical fibers, wherein the fiber optic cable excludes a separation layer between the first layer of optical fibers and the second layer of optical fibers; and
a jacket surrounding the first and second layers of optical fibers. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A fiber optic cable comprising;
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a central member;
a first plurality of S-Z stranded optical fibers being disposed in a first radial location, having a first lay length;
a second plurality of S-Z stranded optical fibers being disposed in a second radial location, having a second lay length that is the same as the first lay length, wherein the first plurality of S-Z stranded optical fibers is in phase with the second plurality of S-Z stranded optical fibers along the length of the cable because they are stranded by a common strander; and
a jacket disposed about the second plurality of S-Z stranded optical fibers. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24)
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25. A fiber optic assembly comprising:
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a plurality of optical fibers, the plurality of optical fibers being stranded around in at least two radially distinct adjoining layers, the optical fibers in the adjoining layers having the same lay length and are in phase, wherein the optical fibers are free to radially migrate between adjoining layers in response to external forces; and
a binder layer. - View Dependent Claims (26, 27, 28, 29, 30, 31, 32)
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33. A method of manufacturing an optical fiber assembly comprising the steps of:
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paying off a plurality of optical fibers;
stranding the plurality of optical fibers in a single stranding process, wherein the plurality of optical fibers form a first layer of optical fibers and a second layer of optical fibers to form adjoining layers; and
placing a binder layer about the second layer of optical fibers. - View Dependent Claims (34, 35, 36, 37, 38, 39, 40, 41)
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Specification