Backward Magnetostatic Surface Waves in a Ferrite-Dielectric-Metal Structure Magnetized by a Bank-Shaped Nonuniform Field

摘要

Propagation characteristics (trajectories, wave numbers, and the directions of phase and group velocities) of back ward magnetostatic surface waves of different frequencies and directions are calculated. The waves propagate in a ferrite-dielectric-metal structure magnetized by a magnetostatic field Hg profiled as a symmetric bank. The propagation characteristics are calculated for different widths of the dielectric layer and orientations of the antenna radiating the waves. It is shown that the magnetostatic surface waves propagate in channels of the same two types as in a ferrite film.