The development of new holographic materials represents a field of research in continuous evolution. The design and synthesis strategy of these materials must respond to the desirable characteristics of the photonic devices that need to be manufactured. Hydrogels are used as binders in applications in which the material must retain its structural integrity in liquid media. In applications where it is required to store volume holograms in hydrogels, it is necessary to carry out a first incubation process in solutions containing the necessary components. The general aim of this work has been to optimize the composition of incubator solutions composed of acrylamide as monomer, N,N′-methylenebis(acrylamide) as crosslinker, triethanolamine and yellow eosin as photoinitiator system and DMSO/water as solvent. The effect of varying the monomer and crosslinker on the diffraction efficiency of stored holograms has been investigated.
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Nieto-Rodríguez et al. (2024) studied this question.
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