Surface Acoustic Wave
The amplitude of a surface acoustic wave has the maximum value A at the surface, and it attenuates exponentially as it goes inside.
KeywordsElastic constants Density Thickness Laser Ultrasonic
- 1.DIN EN 15042-1:2006-06: Thickness measurement of coatings and characterization of surfaces with surface waves—part 1 Guide to the determination of elastic constants, density and thickness of films by laser induced surface acoustic waves Google Scholar
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