Optical switch and method of controlling optical switch

H - Electricity – 04 – Q

Patent

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Details

H04Q 11/00 (2006.01) G02B 6/26 (2006.01) G02B 6/35 (2006.01) G02B 6/42 (2006.01)

Patent

CA 2514924

An optical switch (100) includes an input optical fiber (11), output optical fibers (18), a grating (15), which deflects a light beam from the input optical fiber (11) in different directions for each wavelength component to split into light beams, a convex lens (14), which changes the light beams from the grating (15) into converging light beams, a movable mirror array (17), which directs the converging light beams from the convex lens (14) toward one of the output optical fibers (18), a shutter array (16), disposed in front of the movable mirror array (17), and a control circuit (120), which controls the movable mirror array (17) and the shutter array (16). The movable mirror array (17) includes movable mirrors (17a), and the shutter array (16) includes the same number of shutters (16a) as that of movable mirrors (17a). The shutters (16a) appropriately intercept the light beams traveling toward the movable mirrors (17a).

La présente invention a trait à un commutateur optique (100) comportant une fibre optique d'entrée (11), des fibres optiques de sortie (18), un réseau (15), qui assure la déviation d'un faisceau lumineux en provenance de la fibre optique d'entrée (11) en des directions différentes pour chaque composante de longueur d'onde pour la séparation en faisceaux lumineux, une lentille convexe (14), qui modifie les faisceaux lumineux en provenance du réseau (15) en faisceaux lumineux convergents, une matrice de miroirs mobiles (17), qui oriente les faisceaux lumineux convergents en provenance de la lentille convexe (14) vers une des fibres optiques de sortie (18), un réseau d'obturateurs (16), disposé devant la matrice de miroirs mobiles (17), et une unité de commande (120), qui commande la matrice de miroirs mobiles (17) et le réseau d'obturateurs (16). La matrice de miroirs mobiles (17) comporte des miroirs mobiles (17a), et le réseau d'obturateurs (16) comporte le même nombre d'obturateurs (16a) que celui de miroirs mobiles (17a). Les obturateurs (16a) assurent une interception appropriée des faisceaux lumineux se déplaçant vers les miroirs mobiles (17a).

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