Devices are described in which certain crosslinked silicone polymers are incorporated. These polymers have various functions such as encapsulating agents, surface protective agents or agents to index match optical components (e.g. optical fiber, optical waveguide, etc.) to other optical devices or articles....http://www.google.de/patents/US5217811?utm_source=gb-gplus-sharePatent US5217811 - Devices featuring silicone elastomers
