Abstract: A lightweight cooled laser mirror wherein a sandwich-type cylindrical face plate assembly is brazed to a rear closure plate by a metal substrate formed by a bundle of metal tubes. Inlet and outlet coolant manifolds connect the face plate assembly to the rear closure plate and provide for a coolant flow through the face plate assembly. The face plate assembly is of a brazed construction wherein the flow passes in series across the plates and then returns directly through said plates to an outlet. A manifold section on diametrically opposed edges of the face plate assembly is constructed so that equal total pressure loss occurs through all passages through the laser mirror between openings 30 and openings 32.

Abstract: A cooled laser mirror assembly includes a cooled laser mirror and mounting structure for isolating hydraulic pressure loads from the mirrors and the mounting structure. The assembly allows both elevational and lateral adjustment of the mirror. Transfer tube assemblies direct a coolant through the mounting structure for cooling the mirror, and the assemblies permit adjustment of the mirror without placing unwanted forces thereon. The mirror is pivotally mounted on trunnions with the trunnion on one side permitting fore and aft movement of the mirror. Means are provided to fixedly position the mirror after an elevational or lateral adjustment has been made.