Surface displacement measured by beam distortion detection technique: Application to picosecond ultrasonics
Journal Article
·
· Review of Scientific Instruments
- Laboratoire de Mecanique Physique, UMR CNRS 5469, Universite Bordeaux 1, 351 Cours de la Liberation, 33405 Talence (France)
A sensitive technique of surface displacement measurement without interferometry is proposed for the goals of picosecond ultrasonics. Simple description of detection mechanism is provided on the basis of paraxial approximation of light diffraction. Test experiments with gold and tungsten layers have been performed and analyzed. The efficiency of the technique is compared with interferometry and reflectometry methods.
- OSTI ID:
- 20861499
- Journal Information:
- Review of Scientific Instruments, Vol. 77, Issue 11; Other Information: DOI: 10.1063/1.2372739; (c) 2006 American Institute of Physics; Country of input: International Atomic Energy Agency (IAEA); ISSN 0034-6748
- Country of Publication:
- United States
- Language:
- English
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