Journal ArticleDOI
Optimal crystal cuts and propagation directions for excitation of acoustic waves in LiNbO3
W. H. Chen,F. C. Fu +1 more
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In this article, the authors calculated the acoustic power flow in a LiNbO3 single crystal to find the optimal crystal cutting orientation and the wave propagation direction for the efficient excitation of acoustic waves in the crystal.Abstract:
Acoustic power flow in a LiNbO3 single crystal was calculated to find the optimal crystal cutting orientation and the wave propagation direction for the efficient excitation of acoustic waves in the crystal. By solving the stiffened Christoffel equations and calculating the acoustic Poynting vectors with piezoelectric effect included, maximum longitudinal acoustic power flow in a 30° Z‐rotated, Y‐cut LiNbO3 crystal was found.read more
Citations
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Journal ArticleDOI
The energy density and power flow of acoustic waves propagating in piezoelectric materials
Boris D. Zaitsev,Iren Kuznetsova +1 more
TL;DR: It is shown that, for a plane bulk acoustic wave propagating in arbitrary piezoelectric media, the densities of mechanoelectrical and electromechanical energies are always equal in absolute value and have opposite signs.
Journal ArticleDOI
Enhanced performance of AlN SAW devices with wave propagation along the 〈11-20〉 direction on c-plane sapphire substrate
TL;DR: In this paper, the effect of acoustic wave propagation direction along the a-direction and m-direction on the frequency responses of c-plane AlN-based surface acoustic wave (SAW) devices systematically was investigated.
Journal ArticleDOI
The peculiarities of energy characteristics of acoustic waves in piezoelectric materials and structures
TL;DR: In this article, a detailed theoretical investigation of energy density and power flow of homogeneous and inhomogeneous (surface and plate) plane acoustic waves in piezoelectric materials and structures is presented.
Journal ArticleDOI
A numerical data analysis of thickness modes in arbitrary coupling piezoelectric plates
V.L. Strashilov,Boyan Boyanov +1 more
TL;DR: In this paper, a numerical method for the analysis of thickness modes in piezoelectric plates with full account of the electromechanical coupling is presented, and some inconsistencies with the available theoretical models are discussed.
Journal ArticleDOI
Surface Acoustic Wave Energy in Piezoelectric Material
TL;DR: In this article, the identification of piezoactive and non-piezoactive modes is performed by use of Ordinary Differential Equation, such approach permits calculation of energy densities under different forms.
References
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Book
Acoustic Fields and Waves in Solids
TL;DR: In this article, the authors apply the material developed in the Volume One to various boundary value problems (reflection and refraction at plane surfaces, composite media, waveguides and resonators).
Journal ArticleDOI
A method for estimating optimal crystal cuts and propagation directions for excitation of piezoelectric surface waves
J.J. Campbell,W.R. Jones +1 more
TL;DR: In this article, a criterion for judging the relative effeciency of excitation of piezoelectric surface waves as a function of crystal plate orientation and propagation direction is developed based on a velocity change upon application of a thin conducting sheet to the surface.
Journal ArticleDOI
Excitation and Detection of Surface Skimming Bulk Waves on Rotated Y-Cut Quartz
TL;DR: In this article, a theoretical analysis of excitation, transmission, and reception of surface skimming bulk waves (SSBW) by a pair of interdigital electrodes on rotated Y-cut quartz has been performed.
Journal ArticleDOI
The Excitation and Detection of Surface-Generated Bulk Waves
M.A. Goodberlet,D.L. Lee +1 more
TL;DR: In this article, the performance of a conventional pair of surface acoustic wave interdigital transducers (IDT) used to generate bulk acoustic waves is analyzed and closed-form expressions are derived for the important electrical and acoustical delay line characteristics and comparison is made with experimental measurements.
Journal ArticleDOI
Bulk Radiation by Surface Acoustic Waves Propagating Under a Grating
TL;DR: In this article, the authors present an onde de Rayleigh tombant sous incidence normale et oblique sur des reseaux a sillons dans LiNbO 3 a coupe Y a direction de propagation Z.
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