A coherent illuminator system and method wherein an incident energy beam is directed at an end of image conduit rotating around its axis. The incident energy beam may be generated by a laser, maser, or similar radiation source. A substantially cylindrically uniform radiation spot is obtained from the...http://www.google.de/patents/US6134365?utm_source=gb-gplus-sharePatent US6134365 - Coherent illumination system and method
