Method for collective production of microlenses at the tip...

Details Method for collective production of microlenses at the tip... Method for collective production of microlenses at the tip...

G - Physics

02

B

G02B 6/25 (2006.01) G02B 6/42 (2006.01)

Patent

CA 2375499

The invention concerns a method for collective production of microlenses at the tip of an assembly of aligned optical fibres. The invention is characterised in that it consists in heating the tip of all the fibres (F) with an electric arc (A) so as to form the microlenses, the plane wherein the fibre tips are located being distant (d) from the line (X) of the hottest points of the electric arc to round off their tip homogeneously. The invention is useful for making optical and optoelectronic modules.

L'invention concerne un procédé de réalisation collective de micro-lentilles au bout d'un ensemble de fibres optiques alignées. Selon l'invention le procédé consiste à chauffer le bout de toutes les fibres (F) au moyen d'un arc électrique (A) afin de former les micro-lentilles, le plan dans lequel se trouvent les bouts des fibres étant distant (d) de la ligne (X) de points les plus chauds de l'arc électrique pour arrondir leur extrémité de manière homogène. L'invention s'applique à la réalisation de modules optiques et optoélectroniques.

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