Omar OrmacheaO. G. RomanovА. Л. Толстик2026-03-222026-03-22200810.23881/idupbo.008.1-6ihttps://doi.org/10.23881/idupbo.008.1-6ihttps://andeanlibrary.org/handle/123456789/65334The schemes for recording and reading of dynamic holograms in conditions of nondegenerate four- and six-wave mixing in a nonlinear Fabry-Perot interferometer have been analyzed theoretically. It has been demonstrated that there is a possibility for a considerable improvement in the diffraction efficiency and angular selectivity of dynamic gratings in the interferometer compared to the off-cavity interaction. A method for the frequency conversion of coherent images with simultaneous phase conjugation has been realized experimentally.enOpticsInterferometryMixing (physics)Four-wave mixingDiffractionHolographyPhase (matter)Diffraction efficiencyPhysicsMaterials sciencearticle