An optical fiber manifold is provided for coupling light from an illumination source to a plurality of spaced, large diameter output fibers, or "light pipes", which are used for a variety of purposes, such as illuminating pools, spas, hazardous material zones, jail cells, and other applications where...http://www.google.fr/patents/US5559911?utm_source=gb-gplus-shareBrevet US5559911 - Optical fiber coupler using segmented lenses