Furcation Plugs Segregated Channels Epoxy Distribution
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Solution Overview
Problem
Conventional fiber optic furcation plugs face issues with epoxy distribution, leading to voids that weaken the bond between the plug and the optical fibers, causing attenuation due to humidity and temperature changes, and are difficult to use in smaller sizes without damaging the fibers.
Innovation Solution
The introduction of segregated epoxy channels within the furcation plugs guides epoxy uniformly into the passageways, reducing voids and allowing for precise epoxy placement without displacing optical fibers, and enabling smaller plug designs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If epoxy is injected using a conventional syringe into the furcation plug, then the plug can be filled with epoxy, but the syringe may damage optical fibers and epoxy distribution is uneven causing voids
Solution Approach 1:
The injection system is segmented into multiple separate injection ports positioned at different locations within the furcation plug. This allows epoxy to be introduced from multiple points simultaneously or sequentially, ensuring uniform distribution throughout the plug without requiring a single large syringe that could damage fibers.
Solution Approach 2:
Epoxy is introduced through intermediate injection ports that are positioned away from the optical fibers. These ports serve as intermediaries, allowing epoxy to be delivered to the plug without the syringe directly contacting or displacing the delicate fiber legs during the injection process.
2Adaptability or versatility
If the furcation plug size is reduced to fit smaller conduits, then installation flexibility improves, but epoxy injection becomes more difficult and fiber damage risk increases
Solution Approach 1:
The injection process is divided into multiple smaller injection ports distributed throughout the plug body. This segmentation allows epoxy to be injected into a compact plug structure without requiring a single large access point, making the process feasible even in reduced-size plugs designed for smaller conduits.
Solution Approach 2:
The injection approach transitions from a single axial injection point to multiple ports distributed in different spatial dimensions within the plug. This dimensional redistribution of injection points allows effective epoxy delivery in compact plug geometries that would be inaccessible with conventional single-point injection.
3Ease of manufacture
If epoxy voids are present in the furcation plug, then the bond strength between plug and fibers is reduced, but the plug can still be assembled
Solution Approach 1:
Multiple injection ports are strategically positioned to ensure complete epoxy coverage of all critical bonding interfaces. This segmented injection approach eliminates voids by delivering epoxy to all regions simultaneously or sequentially, ensuring uniform saturation and maximum bond strength between the plug and fiber legs.
Solution Approach 2:
The injection ports are pre-positioned during plug manufacturing to optimize epoxy flow paths and coverage areas. This preliminary configuration ensures that during assembly, epoxy will naturally flow to fill all void spaces and bonding interfaces without requiring complex injection maneuvers that could introduce air pockets or incomplete saturation.
Data Source
AI summary
Embodiments disclosed herein include furcation plugs having segregated channels to guide epoxy into passageways for optical fiber furcation, and related assemblies and methods. The furcation plugs secure furcated fiber optic cables to fiber optic equipment to prevent the furcated fiber optic cables from being damaged. The furcation plugs, as part of fiber optic furcation assemblies, are typically installed on fiber optic equipment that provides fiber optic components to which the optical fibers are connected. The fiber optic cables may be inserted into fiber passageways of the furcation plugs and secured to the furcation plugs with epoxy. The epoxy may be guided into the fiber passageways through segregated epoxy channels of the furcation plug. In this manner, epoxy may be more uniformly distributed within the fiber passageway to improve the epoxy bonds by reducing the occurrence of air pockets known as voids, which can weaken the epoxy bonds and cause attenuation.