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material for light management in new technologies, for example in 3D displays of the future and energy efficient lighting technologies such as LEDs,” said Dr. Thomas Fäcke, head of the holography research segment at Bayer MaterialScience.

Current developments are focusing primarily on the use of photopolymers in light-sensitive films that either deflect light or are able to form visible images from incident light. Bayer MaterialScience is currently preparing to launch the first photopolymer product

grades on the market under the name Bayfol® HX. Un-

like the materials available at present, these photopo- lymer films require no subsequent chemical or thermal treatment, which should make them suitable for the cost-effective mass-production of volume holograms.

In the past, however, there had been a problem with the availability of suitable materials for mass produc- tion, for example the necessary light-sensitive sub- stances, known as photopolymers. Bayer Material- Science is a world leader in the development of the-

11-01 :: December 2010 / January 2011

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