Laser ya UV ndi mtundu wa laser womwe umakhala ndi 355nm wavelength. Chifukwa cha kutalika kwake kwaufupi komanso kupendekera kwake kocheperako, laser ya UV imatha kupanga malo ang'onoang'ono okhazikika ndikusunga malo ang'onoang'ono omwe amakhudza kutentha. Choncho, amatchedwanso "cold processing". Izi zimapangitsa kuti laser ya UV igwire bwino ntchito ndikupewa kusinthika kwazinthu.