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Monomer diffusion rates in photopolymer material. Part I. Low spatial frequency holographic gratings
Date Issued
2011-03-01
Date Available
2011-11-22T16:34:08Z
Abstract
For photopolymers, knowing the rate of diffusion of the active monomer is important when modeling the material evolution during recording in order to understand and optimize their performance. Unfortunately, a confusingly wide range of values have been reported in the literature. Re-examining these results, experiments are carried out
for both coverplated (sealed) and uncoverplated material layers and the measurements are analyzed using appropriate
models. In this way, a more detailed analysis of the diffraction processes taking place for large-period gratings is provided. These results, combined with those in Part II, provide unambiguous evidence that the monomer diffusion rate in a commonly used acrylamide polyvinyl alcohol-based material is of the order of 10−10 cm2=s. This value closely agrees with the predictions of the nonlocal polymerization-driven diffusion model.
Sponsorship
Science Foundation Ireland
Irish Research Council for Science, Engineering and Technology
Other Sponsorship
Enterprise Ireland
Type of Material
Journal Article
Publisher
Optical Society of America
Journal
Journal of the Optical Society of America B
Volume
28
Issue
4
Start Page
658
End Page
666
Copyright (Published Version)
2011 Optical Society of America
Subject – LCSH
Photopolymers
Monomers--Diffusion rate
Diffraction gratings
Holography
Web versions
Language
English
Status of Item
Not peer reviewed
ISSN
0740-3224 (print)
1520-8540 (online)
This item is made available under a Creative Commons License
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Monomer diffusion rates in photopolymer material_Part I Low spatial frequency holographic gratings.pdf
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Scopus© citations
52
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