An imaging device including at least one imaging array and image formation optics that provide a field of view corresponding to the imaging array. At least one illumination module (which includes at least one source of coherent illumination) produces planar light illumination that substantially overlaps...http://www.google.de/patents/US20070138284?utm_source=gb-gplus-sharePatent US20070138284 - Planar light illumination and imaging device with modulated coherent illumination that reduces speckle noise induced by coherent illumination