Optical coupling element

G - Physics – 02 – B

Patent

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G02B 6/30 (2006.01)

Patent

CA 2335045

The invention relates to an optical coupling element (20) comprising at least one guide groove (22) for an optical wave guide and a respective guide groove (21) for an optical fibre. In order to provide a coupling element that is easy to produce, whereby a structure is provided in the coupling area that does not impair the coupling and the optical fibre core material and the embedding material for the optical fibre can be chosen independently of each other, a connecting member (23) made from a waveguide sheath material is arranged in the coupling area between the guide groove (22) of the optical wave guide and the guide groove (21) of the optical fibre.

L'invention concerne un élément de couplage optique (20) comportant au moins une tranchée de guidage (22) destinée à un guide d'ondes optique et une tranchée de guidage (21) destinée à une fibre optique. Pour qu'un tel élément de couplage soit simple à réaliser, et, simultanément, que la zone de couplage présente une structure n'altérant pas le couplage et que le matériau du coeur du guide d'ondes optique et le matériau d'incorporation de la fibre optique puissent être choisis indépendamment l'un de l'autre, une partie jointive (23) en matériau d'enveloppe de guide d'ondes est disposée dans la zone de couplage, entre la tranchée de guidage (22) du guide d'ondes optique et la tranchée de guidage (21) de la fibre optique.

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