单轴压力对LiNbO₃晶片Lamb波和sh波传播特性的影响

Journal of Siberian Federal University. Mathematics and Physics Pub Date : 2021-02-01 DOI:10.17516/1997-1397-2021-14-1-105-116

S. I. Burkov, O. N. Pletnev, P. P. Turchin, O. P. Zolotova, B. Sorokin

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引用次数: 1

摘要

理论研究了单轴压力对铌酸锂板中Lamb波和sh波传播特性的影响。计算了不同方向上压力对相速度影响的机电耦合系数和控制系数。详细推导了在压力作用下声模的变换和杂化。pac: 43.25.Fe;43.35.Cg;77.65.-j

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Influence of Uniaxial Pressure on the Characteristics of Lamb and SH-wave Propagation in LiNbO₃ Crystalline Plates

Theoretical study of uniaxial pressure influence on the propagation characteristics of Lamb and SH-waves in lithium niobate plate is carried out. Electromechanical coupling coefficients and controlling coefficients of the pressure influence on phase velocity are calculated in various directions. Transformation and hybridization of acoustic modes upon a pressure influence have been derived in details. PACS: 43.25.Fe; 43.35.Cg; 77.65.-j

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Journal of Siberian Federal University. Mathematics and Physics

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