laser equipment (10) is provided with a plurality of light sources (11a-11c) including laser array stacks (12a-12c). Laser beams (32b, 32c) are deflected by a slit mirror (14) and a polarization beam splitter (16), respectively, and are synthesized with a laser beam (32a). These laser beams have optical axes inclined from each other and slow axis directions parallel to each other. A focusing optical system (20) focuses the laser beams from each of the light sources at separate positions along a direction vertical to the slow axis direction.
