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Experiments in the 3-GHz region are reported for oblique incidence of magnetostatic forward volume waves (MSFVW) on an 8-period uniform metallic grating of 140 μm periodicity. The MSFVW propagate in a 25-μm-thick epitaxial yttrium iron garnet film under normal magnetic bias. Insertion loss data and observed bandpass response are reasonably consistent with theory for MSFVW reflection through 90° by an array possessing a periodic impedance discontinuity.
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Owens et al. (1977) studied this question.
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