FIBER LASER PROCESSING APPARATUS

摘要

A fiber laser processing apparatus is disclosed. The disclosed fiber laser processing apparatus includes: a fiber laser oscillator; a collimating unit making a laser beam emitted from the fiber laser oscillator to be parallel and including a plurality of collimating lenses having different focus distances; and a focusing lens collecting the laser beam emitted from the collimating unit and irradiating a workpiece with the laser beam.