Fasahar tsaftacewar laser tana nufin amfani da hasken laser mai ƙarfi don haskaka saman aikin, ta yadda datti, tsatsa ko shafi a saman zai iya ƙafewa. Layer ɗin zai ƙafe ko ya bare nan take, kuma zai cire abin da aka makala ko kuma murfin saman abin tsaftacewa da sauri, don haka zai cimma tsari mai tsabta. Sabuwar fasaha ce da ta dogara da tasirin hulɗa tsakanin laser da abu, wanda ya bambanta da hanyar tsaftacewa ta injiniya ta gargajiya ta hanyar tsaftacewar sinadarai da hanyar tsaftacewa ta ultrasonic (tsarin tsaftacewa danshi), ba ya buƙatar wani abu mai narkewar halitta na CFC da ya karye wanda ke lalata layin ozone, babu gurɓatawa, babu hayaniya, babu cutarwa ga jikin ɗan adam da muhalli.