Spectral theory of unidirectional transducers

E. DANICKI

Spectral theory of unidirectional transducers

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E. DANICKI Institute of Fundamental Technological Research Polish Academy of Sciences

Abstract

A spectral theory of single-phase unidirectional transducers of the surface acoustic waves is presented. It helps to evaluate the stop-band width where the directionality takes place, and allows one to optimize the transducer structure in order to obtain its symmetric frequency response, with maximum directionality at the stop-band center.

Keywords:

surface acoustic waves, interdigital transducers

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E. DANICKI, W.D. HUNT, On spurious bulk wave exicitation in SAW grating reflectorson GaAs (001) (110) , Archives of Acoustics: Vol. 20 No. 2 (1995)
D. BOGUCKI, E. DANICKI, Generation of elastic waves in a piezoelectric plate by interdigital transducers , Archives of Acoustics: Vol. 20 No. 2 (1995)
E. DANICKI, Theory of surface acoustic wave reversing multistrip coupler , Archives of Acoustics: Vol. 19 No. 2 (1994)
E. DANICKI, New dispersive IDT (brief note) , Archives of Acoustics: Vol. 19 No. 2 (1994)
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E. DANICKI, Rigorous P-matrix for uniform NSPUDT , Archives of Acoustics: Vol. 17 No. 1 (1992)
E. DANICKI, Surface acoustic wave scattering by elliptic metal disc on anisotropic piezoelectric halfspace , Archives of Acoustics: Vol. 17 No. 3 (1992)
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E. DANICKI, New approach in the theory of microstrip waveguides , Archives of Acoustics: Vol. 15 No. 1-2 (1990)

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Spectral theory of unidirectional transducers

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