Optical photorefractive article
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United States of America Patent
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Mar 4, 1997
Grant Date -
N/A
app pub date -
Apr 21, 1994
filing date -
Apr 21, 1994
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Abstract
The present invention relates to a three-component optical photorefractive article having improved diffraction efficiency. The article comprises (i) nonphotoconductive polymer, (ii) benzimidazoline, and (iii) a sensitizer.
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