A method is provided for partially collecting light from a polymer waveguide (11, 56). A polymer waveguide (11, 56) is provided, through which a light signal (17) is traveling. A faceted groove (28) is placed in the polymer waveguide (11, 56), thereby reflecting a controllable portion of the light (22)...http://www.google.ca/patents/US5170448?utm_source=gb-gplus-sharePatent US5170448 - Optical waveguide apparatus and method for partially collecting light
