Patent ID: 6101206
Filing Date: 2000-08-08
Classification: H01S

Abstract:
A laser-diode device, comprising:a plurality of parallel and spaced-apart walls (8), made of a material which is a good heat conductor, which have at least approximately coplanar free longitudinal edges (10) bearing films (11) of an electrically conductive material which extend on each side of said edges on a pair of faces (8A, 8B) of said walls;a plurality of semiconductor strips (9) incorporating laser diodes, each strip comprising an emitting surface (12) via which said laser diodes of a corresponding strip emit, said semiconductor strips (9) being housed longitudinally in spaces between said walls (8) and each of said semiconductor strips (9) being fastened to opposite faces of two of said walls (8) between which each said strip is housed, so that said semiconductor strips (9) are electrically connected in series by films of electrically conductive material and so that said emitting surfaces (12) of said semiconductor strips (9) are at least approximately coplanar with said free longitudinal edges (10) of said walls (8); andfluid-circulation cooling means that cool said strips (9),wherein said parallel and spaced-apart walls are formed by individual plates (8) joined together, with said semiconductor strips (9) interposed between said plates as spacers,wherein said semiconductor strips (9) occupy only one longitudinal part of said spaces between said plates (8), in which spaces said strips (9) are housed,wherein said longitudinal parts of said spaces between said plates (8) which are not occupied by said semiconductor strips (9) serve as circulation channels (17) for cooling fluid, andwherein said laser-diode device additionally comprises sealing means (18) disposed in said spaces between said plates (8) that separate said longitudinal parts occupied by said strips (9) from said longitudinal parts not occupied by said strips (9).