- PII
- 10.31857/S0033849423100029-1
- DOI
- 10.31857/S0033849423100029
- Publication type
- Status
- Published
- Authors
- Volume/ Edition
- Volume 68 / Issue number 10
- Pages
- 1030-1034
- Abstract
- The dependence of radiation losses into a liquid on the value of the displacement component U_3 normal to the plate on the surface of a piezoelectric plate was experimentally studied for Lamb waves of various orders. Waves whose phase velocity V_n in the plate are considered greater than the velocity of the longitudinal volumetric acoustic wave in the liquid V_l. It is shown that at small values of U3 there is no radiation into the liquid and the magnitude of radiation losses is close to zero even at V_n > V_l; at large values of U_3, the magnitude of radiation losses is large and for Lamb waves in the YZ-LiNbO3 plate with a thickness normalized to the wavelength of 1.75 and frequency 16.97 MHz it reaches a value of 4 dB/mm, comparable to the radiative losses of surface acoustic waves in the same material.
- Keywords
- radiation losses surface acoustic waves longitudinal volumetric acoustic wave liquid
- Date of publication
- 16.09.2025
- Year of publication
- 2025
- Number of purchasers
- 0
- Views
- 14
References
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