Optical Fiber Ribbon with Edge Indicator Fibers for Polarity Identification
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Solution Overview
Problem
Managing connections between optical fibers in fiber optic cable networks is challenging due to the difficulty in identifying individual fibers, leading to errors during installation and splicing.
Innovation Solution
An optical fiber ribbon design featuring indicator fibers at the edges with distinct colors, embedded in a primary and secondary matrix with an opacifying and color layer, allowing for easier identification of fiber polarity and organization through color coding and printed information.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If all optical fibers are visible, then identification is easier, but interior fibers cannot be properly protected or organized
Solution Approach 1:
The patent divides the optical fiber ribbon into distinct segments: indicator fibers at the edges and interior fibers in the middle. This segmentation allows different parts of the ribbon to serve different functions - indicator fibers for identification and interior fibers for data transmission, resolving the contradiction between visibility and protection.
Solution Approach 2:
The patent applies different properties to different parts of the ribbon. Indicator fibers have visible jackets with distinct colors and are positioned to extend beyond the matrix surface, while interior fibers are embedded within the matrix for protection. This local differentiation enables easy identification of specific fibers without compromising the overall ribbon structure.
2Measurement precision
If indicator fibers are made visible with distinct colors, then polarity identification is improved, but manufacturing complexity increases
Solution Approach 1:
The patent incorporates color coding and indicator fiber positioning into the ribbon manufacturing process itself. By pre-configuring the indicator fibers with distinct colored jackets during fabrication and embedding them in the matrix at predetermined positions, the system achieves high polarity identification accuracy without adding complex post-manufacturing steps.
Solution Approach 2:
The patent uses different colors for indicator fiber jackets to encode polarity information. This color-coding system provides clear visual distinction between different fiber polarities or functions, enabling accurate identification while using simple, manufacturable materials and processes.
3Ease of manufacture
If a single color layer is used, then manufacturing is simpler, but fiber identification capability is reduced
Solution Approach 1:
The patent employs a composite color layer structure with multiple layers having different colors and properties. This multi-layer approach provides enhanced fiber identification capability through color differentiation while maintaining compatibility with standard coating and curing processes used in optical fiber manufacturing.
Data Source
AI summary
Embodiments of the disclosure relate to an optical fiber ribbon. The optical fiber ribbon includes optical fibers arranged in a row having a first width. Indicator fibers are provided at the edges of the row. The indicator fibers have different color fiber jackets. The optical fiber ribbon also includes a primary matrix into which the plurality of optical fibers is embedded. The optical fiber ribbon also includes an opacifying layer having a second width and a color layer, distinct from the opacifying layer, having a third width. The optical fiber ribbon further includes a layer of printing disposed on an outer surface of the primary matrix. In the optical fiber ribbon, the first width is greater than at least one of the second width or the third width such that the indicator fibers extend past at least one of the opacifying layer or the color layer.