Abstract
We introduce a model to describe real-time grating formation inholographic photochromic diarylethene-doped polymeric thin films. Thismodel, which combines photochromic chemical reaction with thecoupled-wave theory, indicates that the grating recording time dependson the molecular absorption coefficient of molecules and the quantumyield of the photochromic reaction at a certain holographicrecording intensity. The model is validated by comparing itspredictions with the experimental results in which photochromicmolecule 1,2-bis(2-methyl-5-(4-formylphenyl)-3-thienyl)perfluorocyclopentene doped PMMA films were used.
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