A tap for coupling light from an intermediate portion of an optical fiber core and a light element by passing light through a side of the optical fiber includes an optical coupler in contact with an outside surface of an optical fiber which is bent and disposed in a plane. A light reflector extending...http://www.google.fr/patents/US5037170?utm_source=gb-gplus-shareBrevet US5037170 - Optical fiber tap utilizing reflector and resilient closure
Optical fiber tap utilizing reflector and resilient closure
