Features of formation of band gaps in coupled structures based on magnonic crystals

There are introduced ferromagnetic periodic structures consist of two coupled mag­nonic crystals and related magnonic and crystal film, separated by a dielectric layer. The dispersion equation made for magnetostatic waves, that propagate in such structures and identified main features of formation band gaps and a comparison with a periodic structure of one magnonic crystal was made. It was shown that connection can effectively manage characteristics of band gaps in spectrum of magnetostatic waves, and theirs width and position in spectrum. The results can be realize for creating on basis of magnonic crystals frequency selective devices for selectively processing information signals with microwave range.