Wave front reversal of surface magnetostatic waves |
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| Authors: | G.A. Melkov V.I. Vasyuchka A.V. Chumak A.N. Slavin |
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| Affiliation: | 1. Faculty of Radiophysics, National Taras Shevchenko University of Kiev, Kiev 01033, Ukraine;2. Department of Physics, Oakland University, Rochester, MI 48309, USA |
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| Abstract: | The wave front reversal (WFR) of non-reciprocal waves has been investigated. The experiment was performed using surface magnetostatic waves (SMSW) excited by a pulsed microwave signal of the carrier frequency ∼4.7 GHz in an epitaxial yttrium–iron garnet (YIG) film. The WFR was realized by pulsed parametric pumping of a double frequency. It was shown that WFR with high efficiency can be achieved for SMSW having relatively small wavenumbers k∼102 rad/cm. |
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| Keywords: | 75.30.Ds 76.50.+g 85.70.Ge |
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