The present invention relates to an amplifying medium for solid-state dye lasers and to a solid-state dye laser provided with an amplifying medium of this type. In one embodiment, the housing assembly includes a housing having an inlet, an outlet and an access port. Data is acquired by a controller from sensors on the various sections. curling a free end of the first opening radially outwardly and axially along the cylindrical body thereby forming a curl, such that the defined diameter of the first opening is substantially circumferentially, dimensionally stable, and to the can and can body made. A first hash value is selected within a first range.