Optical coupling device

G - Physics – 02 – B

Patent

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Details

G02B 6/30 (2006.01) G02B 6/42 (2006.01) G02B 26/02 (2006.01) G02B 6/34 (2006.01) G02B 6/35 (2006.01)

Patent

CA 2379417

The invention relates to an optical coupling device for coupling light between the end surfaces of two optical waveguides, in which the geometrical position of the end surface of one optical waveguide can be modified using a longitudinally modifiable element (8). Said element supports one of the two optical waveguides (10) and is fixed to the other optical waveguide by fixing blocks (4, 6). The longitudinally modifiable element is held by a spongy or porous spring element (14) which is supported either directly or indirectly on at least one of the fixing blocks (6) and permits longitudinal displacements of the longitudinally modifiable element by the extension or contraction of the same in its longitudinal direction. Said spring element also suppresses the vertical displacement of the longitudinally modifiable element, in relation to the longitudinal direction of said longitudinally modifiable element.

L'invention concerne un dispositif de couplage optique pour le couplage de la lumière entre deux surfaces terminales de guides d'ondes optiques, dans lequel la position géométrique de l'une desdites surfaces terminales de guides d'ondes optiques peut être modifiée par rapport à l'autre surface au moyen d'un élément à variation de longueur (8). Ce dernier porte l'un des deux guides d'ondes optiques (10) et est fixé à l'autre guide d'ondes optiques au moyen de blocs de fixation (4, 6). L'élément à variation de longueur est maintenu par un élément à ressort (14) de type spongieux ou poreux, qui prend appui, soit directement, soit indirectement sur au moins l'un des blocs de fixation (6), et qui, d'une part, permet d'effectuer les déplacements longitudinaux dudit élément à variation de longueur, par extension ou contraction de celui-ci dans le sens longitudinal et, d'autre part, empêche l'élément à variation de longueur de se déplacer perpendiculairement à son sens longitudinal.

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