Direct MT(TM)-compatible connectorisation of VCSEL and LED-arrays to plastic optical fiber ribbon for low cost parallel datalinks
1999
For the realisation of MT compatible direct connectorised modules, a PMMA-based interconnection scheme, using index-alignment is developed. Plastic pieces are accurately positioned with respect to the chips and then fixed with epoxy, following an index-alignment strategy. Alignment accuracies in the range of 5 to 10 /spl mu/m have been achieved, which is sufficient to have good coupling efficiencies in view of the relaxed alignment tolerances when coupling to large core POF (120/125 /spl mu/m). The chips are assembled in commercially available packages, which are then mounted on PCB boards. First coupling measurements on fully assembled modules, using a red (670 nm) 1/spl times/8 VCSEL-array and a 1/spl times/8 RC-LED (Resonant Cavity LED, 980 nm), are successfully carried out.
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