Effects of laser mirror surface flatness Surface flatness is a critical parameter for many laser systems but also a key cost driver. In this paper we explore the effect it can have on the focused spot size in a laser material processing system Premium Access To access this content please enter your details in the fields below. Name Company Telephone Email Country I confirm that my contact details can be forwarded to the author and/or the author's company of each White Paper I visit during this time. I understand that my contact details will not be made available to any other third party. To view our full privacy policy please click here. Submit