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A collective micro-optics is developed for coupling laser diode arrays to single-mode-fiber ribbons. The arrangement consists of graded-index multimode fiber ribbons and coreless silica fiber ribbons of calibrated lengths that are spliced and cleaved collectively. Coupling losses of 1.07±0.11 dB with a working distance of 30.4± 1.2 xm are achieved. A theoretical model that predicts the coupling efficiency as a function of the lengths of the sections is also established.
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P. Chanclou (2000) studied this question.
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