Method and composition for producing optical elements having a gradient structure
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United States of America Patent
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Jul 30, 2013
Grant Date -
Oct 6, 2011
app pub date -
Dec 21, 2009
filing date -
Dec 22, 2008
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Abstract
A composition for producing optical elements having a gradient structure, particularly for holographic applications, is formed by a refractive index gradient. The composition is produced from one or more polymerizable and/or polycondensable monomers and at least one biological polymer. A potential difference is generated for the directed diffusion of the monomers by inducing a local polymerization or polycondensation. The result is the formation of a refractive index gradient.
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