An optical device for homogenizing a laser beam includes a plurality of abutting front lenses (LF.sub.nm) for dividing the laser beam to be homogenized into m.times.n laser beams, each having a substantially uniform cross section, and a substantially homogeneous energy distribution; a first intermediate...http://www.google.fr/patents/US6055346?utm_source=gb-gplus-shareBrevet US6055346 - Fibre optic device for homogenizing a laser beam
