Multichannel Fiber Optic Connector with Load Carousel
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Solution Overview
Problem
Current fiber optic connectors, particularly multifiber ferrule connectors, face challenges in flexibility, precision, cost, and optical performance due to limited termination and polarity options, making them difficult to manufacture and maintain, especially in high-bandwidth data center applications.
Innovation Solution
A multichannel fiber optic connector system featuring a load carousel that accepts and independently aligns multiple single-fiber ferrules, allowing for radial and axial freedom, and a connector adapter that enables seamless transition between different fiber interfaces, reducing the need for complex cabling and increasing flexibility.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If multifiber ferrule connectors are used to increase fiber density, then the number of fibers per connector increases, but termination precision and optical performance deteriorate
Solution Approach 1:
The connector is divided into multiple independent ferrule channels, each capable of independent alignment and termination. This segmentation allows each fiber channel to be precisely terminated individually while maintaining high overall fiber density in the multifiber connector.
Solution Approach 2:
The patent transitions from traditional planar fiber arrangement to a three-dimensional ferrule array configuration, allowing fibers to be organized in multiple rows and columns. This dimensional change enables higher fiber density while maintaining adequate spacing and alignment precision for each individual fiber channel.
2Quantity of substance
If multifiber ferrule connectors are used to increase fiber density, then the number of fibers per connector increases, but connector cost increases
Solution Approach 1:
The connector design uses standardized, modular ferrule units that can be independently manufactured and assembled. This segmentation enables mass production of individual ferrules and simplifies assembly processes, reducing overall connector manufacturing cost while maintaining high fiber density.
Solution Approach 2:
The connector design employs universal ferrule interfaces and standardized alignment mechanisms that can be used across different fiber counts and configurations. This universality allows a single design platform to serve multiple applications, reducing development and tooling costs.
3Quantity of substance
If multifiber ferrule connectors are used to increase fiber density, then the number of fibers per connector increases, but rework and troubleshooting difficulty increases
Solution Approach 1:
The connector is designed with independently accessible ferrule channels, allowing technicians to isolate and work on individual fiber channels without affecting others. This segmentation enables selective rework and troubleshooting of specific channels while leaving the rest of the connector operational.
Solution Approach 2:
The connector incorporates movable or adjustable ferrule positioning mechanisms that allow for dynamic adjustment and reconfiguration of individual fiber channels. This dynamic capability facilitates easier alignment adjustments and rework operations on specific channels without requiring complete connector disassembly.
4Manufacturing precision
If traditional simplex/duplex connectors are used, then termination precision is maintained, but fiber density decreases
Solution Approach 1:
The patent merges multiple simplex/duplex connector functionalities into a single multifiber connector by integrating multiple independent ferrule channels within one housing. Each channel maintains the termination precision of traditional connectors while the combined structure achieves high fiber density.
Solution Approach 2:
The connector design nests multiple independent ferrule assemblies within a single connector housing, with each ferrule containing its own fiber termination. This nested configuration allows high fiber density to be achieved while each nested ferrule maintains the precise termination characteristics of traditional simplex connectors.
Data Source
AI summary
The multichannel fiber optic connector, adapter, and contact retention method is disclosed. The connector includes a load carousel which enables handling, locating, retention, and, where needed, spring-loading of the plurality of single-fiber fiber optic ferrules supported within the connector, and the connector itself provides for independent axial and radial alignment of the fiber optic contacts. The adapter includes a plurality of optical alignment sleeves, and mating interfaces for two different connector types on differing sides of the adapter, wherein the fiber count of one connector type is an integral multiple of the fiber count of the other connector type, and wherein the contact pattern of the first connector type is repeated the same integral number of times within the contact pattern of the second connector type. The contact retention method is achieved by means of a load carousel, which provides a devoted location for each of the plurality of single-fiber fiber optic ferrules it supports, and which, when necessary, provides an independent spring member for each ferrule, and which allows both terminated and unterminated ferrules to be assembled therein, and which further enables assembly into a connector or connector housing.