A laser printing system for illuminating an elongate region of a photosensitive surface. The laser printing system includes a laser source to generate a light beam in a light path and a light modulation assembly that includes an nm array of elements, wherein the nm array has an aspect ratio of at least...http://www.google.com/patents/US6542177?utm_source=gb-gplus-sharePatent US6542177 - Laser printing system with low cost linear modulator
