MONOCHROMATIC ACOUSTIC-WAVES GENERATED BY LASER-INDUCED THERMOMODULATION

Authors
DAMEN EPN ARTS AFM DEWIJN HW
Citation
Epn. Damen et al., MONOCHROMATIC ACOUSTIC-WAVES GENERATED BY LASER-INDUCED THERMOMODULATION, Progress in Natural Science, 6, 1996, pp. 449-452
Citations number
9
Categorie Soggetti
Multidisciplinary Sciences
Journal title
Progress in Natural Science → ACNP
ISSN journal
10020071
Volume
6
Year of publication
1996
Supplement
S
Pages
449 - 452
Database
ISI
SICI code
1002-0071(1996)6:<449:MAGBLT>2.0.ZU;2-N
Abstract
A beam of monochromatic acoustic waves in the gigahertz range is produ ced in a single crystal of PbMoO4 by periodic heating of a deposited A u film by two interfering single-frequency dye lasers. The detection i s accomplished by Brillouin scattering. The power of the beam depends on the film thickness by acoustic interference within the film. The di vergence is limited by Fraunhofer diffraction.