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High index microlenses for GaAlAs laser-fibre coupling

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4 Author(s)
d'Auria, L. ; Thomson-CSF, Laboratoire Central de Recherches, Orsay, France ; Combemale, Y. ; Moronvalle, C. ; Jacques, A.

The best compromise between coupling efficiency, accuracy of positioning and reproducibility has been obtained for a high index hemispherical lens melted on the tip of an intermediate fibre between the GaAlAs laser and the transmission fibre. The letter describes the lens fabrication technique and gives various experimental results of coupling efficiencies and mechanical tolerances.

Published in:

Electronics Letters  (Volume:16 ,  Issue: 9 )