| 摘要 |
Devices to enhance the reliability of optical networks and to reduce the cost of repair are disclosed in this invention. In particular, fiber optic union adapters with built-in protective isolation prevent a damaged, connectorized fiber optic cable from degrading other fiber optic terminations within the network should they be physically connected. The fiber optic union comprises a split sleeve with an interior channel and a fiber stub centrally located within the interior channel. The fiber stub prevents the ferrules of two different cables from making direct physical exchange but allows them to make efficient optical exchange. Opposite ends of the fiber stub are optically polished to enable physical contact to the ferrules of fiber optic cables with low insertion loss and low backreflection. Devices to achieve low loss isolated interconnection between cables containing dissimilar fiber types by use of a fiber taper are further disclosed.
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