SAETT OCH ANORDNING FOER MODULERING AV EN LASERSTRAALE SAMT APPARAT INNEFATTANDE ANORDNINGEN

摘要

A laser beam modulating method is characterized in that the distribution of power density of the laser beam is changed by closing and opening a passage for the laser beam from a laser resonator. An apparatus for carrying out the method includes a modulator for opening and closing the passage for the laser beam from the laser resonator to a laser processing head assembly.