10 April 1997 Dichromated polyvinyl alcohol (DC-PVA) wet processed for high index modulation
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Abstract
PVA films have been used as mold releases, strippable coatings, binders for photopolymers and when sensitized with metals and/or dyes they have been used as photoresists, volume HOEs, multiplexed holographic optical memory and real time non destructive holographic testing. The list goes on and includes Slime and birth control. In holography, DC-PVA is a real time photoanisotropic recording material useful for phase conjugation experiments and also a stable long term storage medium needing no processing other than heat. Now we add the capability of greatly increasing the versatility of PVA by boosting the index modulation by almost two orders of magnitude. We can add broadband display and HOE applications that were not possible before. Simple two or three step liquid processing is all that is required to make the index modulation grow.
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Richard D. Rallison, Richard D. Rallison, } "Dichromated polyvinyl alcohol (DC-PVA) wet processed for high index modulation", Proc. SPIE 3011, Practical Holography XI and Holographic Materials III, (10 April 1997); doi: 10.1117/12.271360; https://doi.org/10.1117/12.271360
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