Mabda'a codsiga ee mashiinka nadiifinta laser-ka CW wuxuu ku salaysan yahay saameynta photothermal iyo saameynta photomechanical: leysar joogto ah oo cufnaan sare leh ayaa shucaaca dusha sare ee shaqada, wasakhda dusha sare (sida miridhku, saliidda, dahaarka) waxay isla markiiba nuugtaa tamarta, taasoo keenta koror degdeg ah oo heerkulka, uumiga ama diirka tooska ah, halka walxaha salka ahi ay sii ahaanayaan kuwo aan waxba tarayn sababtoo ah heerka nuugista oo hooseeya ama kulaylka degdegga ah, sidaas darteedna waxay gaarayaan "nadiifin qabow oo sax ah oo aan taabasho lahayn".