High accuracy noncontact laser-optical method for measuring surface acoustic wave velocity and attenuation

Burov, J. I.; Branzalov, K. P.; Ivanov, D. V.
January 1985
Applied Physics Letters;1/15/1985, Vol. 46 Issue 2, p141
Academic Journal
A high accuracy noncontact laser-optical method for measuring surface acoustic wave (SAW) velocity and attenuation is described. The accuracy depends on the power of the two lasers, used for generation and probe of SAW and on bandwidth of the intensity modulation. The method is applicable to all acoustic materials including the nonpiezoelectrical ones.


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