The paper presents a theoretical model of light diffraction on multilayer PPM-LC diffraction structures. A numerical calculation of the diffraction characteristics of four-layer PPM-LC diffraction structures under the influence of external electrical action is also given. The possibility of controlling the type of selective response under the influence of an external electric field on each layer of the structure is shown.
The article describes a theoretical model for the formation of a multilayer diffractive holographic structure (MIHDS) based on a photopolymer composition including liquid crystals (LC). We presented mathematical modeling of spatial profiles kinetics of the refractive index of the first harmonic of MIHDS considering the photoinduced light absorption (PLA) of the non-optimized and optimized composition. Numerical modeling has shown that optimization of the composition of MIHDS at different thicknesses of the diffraction layer requires a difference in the concentration of the dye-sensitizer for subsequent layers.
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