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We have investigated scattering of exchange spin waves by a model nonuniformity of the effective magnetic field. In particular, certain profiles of the nonuniformity are characterized by a total transmission of the spin wave intensity while inducing large shifts to the phase of transmitted spin waves. These properties are discussed in the context of potential application within a spin wave logic device-a spin wave interferometer containing such a nonuniformity in one of its branches. Wedoi:10.1063/1.2740339 fatcat:ca67aztnzffwpjzrpg7mmdubzu