KRYLOV, V.V. and SHTENTSEL', T.V., 1987. Laser generation of sound in a layered solid medium. Soviet Physics - Acoustics, 33 (2), pp.159-160.
The influence of acoustical and optical surface inhomogeneities in the form of layers with variable elastic
parameters, thin films, etc., on the generation of surface and bulk acoustic waves by a bounded laser beam is