A variety of optical components or nodes are provided which components are formed utilizing holographically polymerized polymer/liquid crystal composites, and which components include free space/unguided wave switches, guided wave switches, out/in couplers, reflection nodes/reflection filters and guided...http://www.google.ca/patents/US5937115?utm_source=gb-gplus-sharePatent US5937115 - Switchable optical components/structures and methods for the fabrication thereof
