Patent ID: 6944196

Claim:
A solid-state laser amplifier system, comprising: at least one laser-active solid; at least one non-laser-active solid; a pumping light source positioned adjacent to the at least one non-laser-active solid; a cooling device; and a layer system; wherein the laser-active solid is slab-shaped and is fixedly connected at first surface to the non-laser-active solid and coupled at a second surface to the layer system, wherein a laser beam to be one of generated and amplified is reflected at the layer system, and wherein a major portion of a heat generated in the laser-active solid is removed by the cooling device to cool the second surface of the laser-active solid coupled to the layer system, so that isothermal planes are created in the laser-active solid, the isothermal planes extending approximately parallel to the cooled surface, and wherein the laser beam to be one of generated and amplified strikes the layer system at a shallow angle, and the laser beam to be one of generated and amplified passes through the non-laser-active solid before and after it passes through the laser-active solid.