Fiber-optic Breakout Transition Assembly with Epoxy and Guide
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Solution Overview
Problem
Existing methods for breaking out optical fibers from a single fiber-optic cable into multiple furcation tubes lack effective protection and stability, leading to potential damage and misalignment during connectorization.
Innovation Solution
A breakout transition assembly is developed, featuring a housing with a cable inlet and furcation chamber, where optical fibers are fixed with hardened epoxy, and a breakout holder with guides to securely receive furcation tubes, ensuring proper alignment and protection of the fibers.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If optical fibers are broken out from a single fiber-optic cable into multiple furcation tubes without a transition assembly, then the connectorization process becomes more accessible, but the optical fibers lack protection and stability, leading to potential damage and misalignment
Solution Approach 1:
The transition assembly serves as an intermediary device between the single fiber-optic cable and multiple furcation tubes. It provides a structured housing with a furcation chamber that contains and protects the optical fibers during the breakout process, while maintaining proper alignment through guide structures that direct fibers into individual furcation tubes.
Solution Approach 2:
The transition assembly segments the fiber breakout process into distinct functional zones: a cable inlet for receiving the single cable, a furcation chamber for containing and organizing individual fibers, and multiple outlet positions for receiving furcation tubes. This segmentation provides protection and alignment at each stage of the breakout process.
2Reliability
If optical fibers are inserted into upjacket tubes before connectorization, then the optical fibers gain protection, but the upjacket tubes require strength members to transfer loads, adding structural complexity
Solution Approach 1:
The transition assembly extracts and contains the optical fibers in a dedicated furcation chamber before they are inserted into furcation tubes. This separation allows the fibers to be protected during the breakout process without immediately requiring the full structural complexity of completed upjacket tubes with strength members.
3Reliability
If a transition assembly with housing and furcation chamber is used to protect and align fibers, then fiber protection and alignment are maintained, but the device complexity increases
Solution Approach 1:
The transition assembly merges multiple protective and alignment functions into a single integrated housing structure. The cable inlet, furcation chamber, and outlet positions are combined in one device, providing comprehensive fiber protection and alignment without requiring multiple separate components or assembly steps.
Solution Approach 2:
The transition assembly performs multiple functions simultaneously: it receives the single fiber-optic cable, contains and protects the optical fibers during breakout, maintains proper spacing and alignment, and interfaces with multiple furcation tubes. This multi-functionality reduces the need for separate specialized devices for each function.
Data Source
AI summary
A breakout transition assembly including a plurality of optical fibers extending through a cable, a plurality of furcation tubes and a housing with a cable inlet and a furcation chamber. The cable, optical fibers and furcation tubes are fixed relative to the housing with a volume of hardened epoxy in the furcation chamber. The cable inlet includes a clearance that tapers between a first end and a second end. In another aspect, the breakout transition can also include a breakout holder comprising at least one guide, such that the plurality of furcation tubes are fixedly received in the at least one guide in the breakout holder, and the volume of hardened epoxy retains the breakout holder in an engaged position with the transition body.