Active-mode-locking optical fiber laser generator

H - Electricity – 01 – S

Patent

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H01S 3/091 (2006.01) H01S 3/067 (2006.01) H01S 3/098 (2006.01) H01S 3/106 (2006.01)

Patent

CA 2114089

1. An active-mode-locking pulse laser generator comprising: - an active fibre doped with a fluorescent dopant; - active-fibre pumping means; - a modulator to be driven from the outside, connected in series to said active fibre; - a wavelength selecting filter, to be driven from the outside, connected in series to said active fibre; - means for drawing an emission signal from said active fibre; - means for defining a laser cavity including the active fibre, pumping means, modulator, filter, and signal drawing means, wherein the drivable modulator is adapted to generate a modulation of the emission signal generated by the active fibre, such as to cause a mode-locking of the oscillating emission signal in the cavity, wherein the wavelength selecting filter consists of an optical-waveguide monolithic filter, in the absence of components subjected to spatial-configuration modifications.

1. Générateur laser à impulsions actives à calage de mode comprenant : - une fibre active dopée d'un dopant fluorescent; - un dispositif de pompage de fibre active; - un modulateur commandé de l'extérieur, raccordé en série à cette même fibre active; - un filtre de sélection de longueur d'onde, commandé de l'extérieur, raccordé en série à cette même fibre active; - un dispositif servant à tirer un signal d'émission de cette même fibre active; - un dispositif servant à définir une cavité laser comprenant la fibre active, un dispositif de pompage, un modulateur, un filtre, et un dispositif servant à tirer un signal, où le modulateur à commande est adapté de façon à générer une modulation du signal d'émission produit par la fibre active, de façon à provoquer un calage de mode du signal d'émission oscillant dans la cavité, où le filtre de sélection de longueur d'onde est composé d'un filtre monolithique à guide d'onde optique, en l'absence de composants soumis à des modifications de configuration spatiale.

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