Ubuchwepheshe be-laser buthuthuke ngokushesha emashumini ambalwa eminyaka adlule. Kusukela ku-nanosecond laser kuya ku-picosecond laser kuya ku-femtosecond laser, iye yasetshenziswa kancane kancane ekukhiqizeni izimboni, ihlinzeka ngezixazululo zayo yonke imikhakha yempilo. Kodwa kungakanani okwaziyo ngalezi zinhlobo ezi-3 zamalaser? Lesi sihloko sizokhuluma ngezincazelo zabo, amayunithi okuguqula isikhathi, izinhlelo zokusebenza zezokwelapha kanye nezinhlelo zokupholisa zokupholisa amanzi.