NDLI: Theoretical calculations of Boundary Waves using effective permittivity and harmonic admittance approaches on various combination of materials

Content Provider	IEEE Xplore Digital Library
Author	Camou, S. Ballandras, S. Laude, V. Tournois, P.
Copyright Year	2000
Description	Author affiliation: Lab. de Phys. et Metrol. des Oscillateurs, CNRS, Besancon, France (Camou, S.)
Abstract	A theoretical analysis of Boundary Waves assuming infinitely thin excitation electrodes is presented in this paper. First results are shown using standard crystal cuts often used in acoustic wave devices. A comparison between Boundary Waves and Surface Acoustic Waves (without any mechanical effect of the metal strips) is performed, pointing out completely different acoustic wave properties in terms of reflexion coefficient, attenuation and phase velocity and electromechanical coupling factor. A special configuration [001]Si<110>/175 YX LiNbO/sub 3/ is studied, exhibiting a non-leaky boundary wave with a coupling factor close to 11% and a reflexion coefficient of 1.3%.
Starting Page	191
Ending Page	194
File Size	3853872
Page Count	4
File Format	PDF
ISBN	0780363655
ISSN	10510117
DOI	10.1109/ULTSYM.2000.922537
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2000-10-22
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Permittivity Admittance Power harmonic filters Acoustic waves Electrodes Silicon Propagation losses Equations Harmonic analysis Surface acoustic waves
Content Type	Text
Resource Type	Article

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Theoretical calculations of Boundary Waves using effective permittivity and harmonic admittance approaches on various combination of materials