GRADIENT OPTICAL POLYMER NANOCOMPOSITES
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United States of America Patent
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Issued Date -
Jan 22, 2015
app pub date -
Jul 17, 2013
filing date -
Jul 17, 2013
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Abstract
Gradient index optical materials are formed by drop by drop dispensing of nanoparticle/monomer suspensions. Refractive index variations are defined by nanoparticle concentrations that can vary in three dimensions. Droplets of differing compositions can be mixed, and droplets or layers or droplets are partially cross-linked by exposure to ultraviolet radiation prior to dispensing additional droplets. Gradient index optical elements such as lenses, prisms, and waveguides can be formed in flexible polymer layers.
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