Abstract
Magnetostatic surface wave propagation through the one-dimensional magnonic crystal with broken translational symmetry developed in an yttrium iron garnet film was experimentally studied. Magnonic crystals were prepared in the form of lattices of etched grooves in yttrium iron garnet film where structural defect was inserted in the center of the lattice in the form of a single defective crest or groove with the width different from those in the lattices. The defect modes within the magnonic bandgaps were detected under conditions corresponding to excitation of the Bragg reflecting resonator formed by the defect.
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