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Proceedings Paper

Bleustein-Gulyaev wave propagation characteristics in KNbO3 and PKN crystals
Author(s): M. Yu. Dvoesherstov; V. I. Cherednick; A. P. Chirimanov; S. G. Petrov
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Paper Abstract

In this paper, theoretical investigation is shown for cuts and propagation directions on KNbO3, PKN substrates where the Bleustein-Gulyaev waves exist. The KNbO3 and PKN crystals Y-cut X-propagating relate to the condition in which the stiffened shear horizontal wave and pure mechanical Rayleigh wave are present. In this symmetry orientation the sagittal and transverse particle displacements also uncouple. In this situation, the potential is coupled to the shear horizontal displacements only. Electromechanical coupling coefficients K2 has a sufficiently large value of above 53 percent with a phase velocity of V equals 3.918 km/s for KNbO3 crystals and factor K2 has a large value of above 23.6 percent and phase velocity V equals 3.054 km/s for PKN crystals.

Paper Details

Date Published: 24 September 1999
PDF: 7 pages
Proc. SPIE 3900, 3rd International Conference on Optical Information Processing, (24 September 1999); doi: 10.1117/12.364556
Show Author Affiliations
M. Yu. Dvoesherstov, Nizhny Novgorod State Univ. (Russia)
V. I. Cherednick, Nizhny Novgorod State Univ. (Russia)
A. P. Chirimanov, Nizhny Novgorod State Univ. (Russia)
S. G. Petrov, Nizhny Novgorod State Univ. (Russia)


Published in SPIE Proceedings Vol. 3900:
3rd International Conference on Optical Information Processing
Yuri V. Gulyaev, Editor(s)

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