Development of a Robust, Low Cost Interface for Embedded Optical Fibers

The primary objective of this project is to develop, characterize and demonstrate a robust, low-cost, manufacturable interface for optical fibers which are embedded in composite structural materials. The approach is to embed an optical fiber with attached ferrules in the composite. The outer end of each ferrules will be encased in a removable male mlod. After curing, the mold will be removed, leaving the outer end of the ferrule exposed in a recess in the composite. The design will address problems such as the need for tight tolerances, the sensitivity of the fiber end to scratches, serviceability, and maufacturability. The point of ingress/egress may be in a region of the structure insensitive to stress concentrations, or in a region of the specifically built up to accomodate the ferrule.