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We have performed cw resonance and pulse-echo measurements on magnetostatic waves in short, axially magnetized YIG rods which do, and do not, contain a turning point. The results are compared with a simple theory which includes the effects of the radial variation of the demagnetizing field. The agreement is generally satisfactory except for the magnetostatic mode spacing when the rod contains a turning point. In this latter case the agreement is only qualitative.
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Lewis et al. (1969) studied this question.
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