Dispersion relations of SAW propagating under Al grating on 128°YX-LiNbO3

Nanjing（2008）

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摘要

Based on discrete Green function and finite element method, properties about surface acoustic waves propagating under periodic Al grating on 128degYX-LiNbO3 substrate were studied. The dispersion relations of SAW and COM parameters for Al strips of different thickness are given, which can theoretically support the design of relevant SAW filters.

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关键词

Finite element method,diffraction gratings,discrete Green function method,surface acoustic wave,aluminium,Green's function methods,LiNbO3,finite element method,COM parameter,dispersion relations,finite element analysis,surface acoustic waves,periodic structures,dispersion relation,Al,com parameter,periodic grating,acoustic wave propagation

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