There is provided a multi-beam laser apparatus including: a laser beam source generating a beam; an incident lens disposed on a path of the beam; a beam splitter splitting the beam incident on the incident lens into a plurality of beamlets; and a beam path adjustor disposed on each of paths of the split...http://www.google.com/patents/US7991037?utm_source=gb-gplus-sharePatent US7991037 - Multi-beam laser apparatus
