Devices for illuminating a target with a beam of coherent energy. The device has a number of applications. In one, it is employed with a night vision system to make available additional energy which can be utilized by an image intensifier in the night vision system in producing a visual image of a target...http://www.google.es/patents/US4991183?utm_source=gb-gplus-sharePatente US4991183 - Target illuminators and systems employing same
