Volume 58, Number 6, June 2002
|Page(s)||818 - 822|
|Section||Electromagnetism, optics, acoustics, heat transfer, classical mechanics, and fluid dynamics|
|Published online||01 June 2002|
Generalized Love waves
Department of Chemistry and Physics, The
Nottingham Trent University Clifton Lane,
Nottingham NG11 8NS, UK
2 Institute of Biotechnology, University of Cambridge Tennis Court Road, Cambridge, CB2 1QT, UK
Corresponding author: email@example.com
Accepted: 2 April 2002
We present a generalized dispersion equation for shear horizontally polarized acoustic waves in a system of a finite-thickness substrate covered by a finite-thickness solid layer having a lower shear acoustic speed. The solutions to the equation describe both layer-guided Love waves and resonant acoustic plate modes. We identify higher-order mode Love waves as continuations from the lowest-order acoustic plate mode associated with the previous Love wave mode. Experimental results are presented that confirm the relationship between the multiple Love wave modes and the acoustic plate modes.
PACS: 43.35.+d – Ultrasonics, quantum acoustics, and physical effects of sound
© EDP Sciences, 2002
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