I-laser yamandla aphezulu ikhanya phezu kwendawo yokusebenza, ukuze ucezu lokusebenza lufinyelele endaweni yokuncibilika noma indawo yokubilisa, kuyilapho igesi yomfutho ophezulu iphephetha insimbi encibilikisiwe noma ehwamuke. Ngokuhamba kwesikhundla esihlobene se-beam kanye ne-workpiece, impahla ekugcineni yakhiwe ibe yi-slit, ukuze kuzuzwe inhloso yokusika.