The magnetostatic surface waves in ferrite plate with dissipation. Part 3. Propagation of the wave in arbitrary direction relatively to field

 

Yu. I. Keller¹, P. A. Makarov¹, V. G. Shavrov², V. I. Shcheglov²

¹Syktyvkar State University, Syktyvkar, Russia

²Kotel’nikov Institute of Radio Engineering and Electronics, Moscow, Russia

 

 The paper is received on February 14, 2016

 

Abstract. By means of consistent solution of motion equation for magnetization the  dissipation of magnetostatic surface waves (MSSW) propagating on in-plane magnetized ferrite plate in arbitrary direction relatively to field is considered. The dispersion characteristics of forward and backward dissipative MSSW for real and imaginary parts of complex wave number in the cases of large and small dissipation are found. The comparison of dispersion variation character by the changing of MSSW propagation direction with the variation of dispersion in the case of changing of dissipation is made. For the interpretation of obtained dependencies the model of cross section of MSSW dispersion surface in the space of three dimensions is proposed. 

Key words: ferrite, magnetostatic waves, dissipation.