Patent ID: 8517542

Claim:
A laser illumination device, comprising: a plurality of light source modules each including: a plurality of light source units, in each of which a semiconductor laser, and a laser medium and a nonlinear material which are flat-shaped and have a waveguide structure are arranged on the same plane, for performing continuous oscillation in a waveguide mode of the laser medium; and a first optical system for coupling laser oscillation beams from the plurality of light source units; a second optical system for coupling laser light beams propagating from the plurality of light source modules through first optical fibers and a second optical fiber array; a uniformization element for uniformizing a laser light beam from the second optical system; and a third optical system for projecting the laser light beam uniformized through the uniformization element, to a substrate which is an illuminated surface at a predetermined magnification, to produce an illumination light flux.