Staggered array coupler

Details Staggered array coupler Staggered array coupler

H - Electricity

01

S

H01S 5/40 (2006.01) H01S 5/022 (2006.01) H01S 5/024 (2006.01)

Patent

CA 2567103

Embodiments of the present invention are directed to staggered arrays of laser diode bars positioned on stepped support structures. Optical waveguides may direct the outputs of the individual diode bars to a desired location, for example, a common output plane. The optical waveguides may be glass plates in certain embodiments. Waste heat generated by the diode bars may be removed from the support structures at certain locations and as a result, the diode bars may be closely positioned with respect to each other. By closely positioning the laser diode bars and directing the diode bar outputs to a desired orientation, the effective brightness and fluence may be increased for a given output area and operational power compared to the prior art. Associated methods of manufacturing staggered array couplers and producing high~power pump energy are also described.

L'invention porte sur des réseaux étagés de barres de diodes laser placés sur des structures support en escalier. Des guides d'ondes optiques peuvent diriger les émissions des différentes barres de diodes sur un emplacement désiré, tel qu'un plan commun. La chaleur parasite créée par les barres de diodes peut être extraite des structures support en différents points, ce qui permet de placer lesdites barres très près les unes des autres. Cette disposition ainsi que la possibilité d'orienter l'émission des barres permettent d'accroître la brillance efficace et la fluence pour une aire d'émission donnée ainsi que la puissance utile, par rapport à l'art antérieur. L'invention porte également sur les procédés associés de fabrication de coupleurs à réaux étagés et sur la production d'énergie par des pompes de forte puissance.

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