Laser diode module with integral cooling

H - Electricity – 01 – S

Patent

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Details

H01S 5/024 (2006.01) G02B 6/42 (2006.01) H01S 5/022 (2006.01) H01S 5/40 (2006.01)

Patent

CA 2291768

A laser module with integral cooling is disclosed. The module is intended for coupling to a fiber optic cable for various applications. The module is generally cylindrical and has a laser diode array (32) mounted centrally therein. A cooling channel (62) is in thermal relation with the array (32) either directly or via a diamond substrate. A fiber optic coupler (46) mates with the portion of the housing carrying the array and carries a lens subassembly (16, 18). During assembly, the coupler (46) is positioned to accurately focus the output of the array into a beam suitable for transmission to the fiber optic cable.

Module à diode laser à refroidissement intégré. Ce module est conçu pour être couplé à un câble à fibres optiques pour différentes mises en application. Ce module est généralement cylindrique et un réseau (32) de diodes laser est monté au centre du module. Un canal de refroidissement (62) est en communication thermique avec le réseau (32), soit directement, soit par l'intermédiaire d'un substrat en diamant. Un coupleur à fibres optiques (46) correspond à la partie du boîtier portant le réseau et porte un sous-ensemble lentille (16, 18). Pendant le montage, on place le coupleur (46) de manière à focaliser avec précision la sortie du réseau vers l'intérieur d'un faisceau approprié pour effectuer la transmission vers le câble à fibres optiques.

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