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7 March 2016 Holographic recording physicochemical mechanism for PVA-FeCl3 + hν
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Abstract
Photo-physicochemical processes involved in the images recording are described. A holographic grating in recording process generates photo-crosslinking through electron transfer, by the active and not active radical mobility ions in the system [PVA + FeCl3 + H2O + hv]. The electric charges reorientation by the polarity between atoms and molecules establish intramolecular crosslinks. This process is essential due to the photochemical reaction for reducing Fe3+ to Fe2+ ion. The optimal holographic film shows diffraction efficiency the order of 26%.
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M. J. Ordóñez-Padilla and A. Olivares-Pérez "Holographic recording physicochemical mechanism for PVA-FeCl3 + hν", Proc. SPIE 9771, Practical Holography XXX: Materials and Applications, 97710T (7 March 2016); https://doi.org/10.1117/12.2208976
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