Nondestructive testing of microstructures by picosecond ultrasonics

Laser-based ultrasonic technique is well-suited for studying thin films 1000 thick. Review includes descriptions of the experimental techniques for picosecond pulse generation and detection, quantitative attenuation and velocity measurements, variations in the basic method that allow measurement of...

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Bibliographic Details
Published in:Journal of nondestructive evaluation 1990-12, Vol.9 (4), p.239-246
Main Authors: Lin, H. -N., Stoner, R. J., Maris, H. J.
Format: Article
Language:English
Subjects:
ultrasonic testing
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Summary:Laser-based ultrasonic technique is well-suited for studying thin films 1000 thick. Review includes descriptions of the experimental techniques for picosecond pulse generation and detection, quantitative attenuation and velocity measurements, variations in the basic method that allow measurement of surface acoustic properties, and examples of measurements in complex microstructures of films of different materials.
ISSN:0195-9298
1573-4862
DOI:10.1007/BF00565642