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Proceedings Paper

Laser ultrasonic techniques for nondestructive testing
Author(s): XinGeng Zhou; Cunfu He
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Paper Abstract

A laser ultrasonic generation and non-contact detection system has been developed. The weak generated ultrasonic signal of nanosecond duration and nanometer amplitude can be detected with a confocal Fabry-Perot interferometer (CFPI). It can be applied to determination of elastic constants of material and flaw detection. The experimental results show that laser ultrasonic technique is practical and effective.

Paper Details

Date Published: 20 March 1997
PDF: 6 pages
Proc. SPIE 2921, International Conference on Experimental Mechanics: Advances and Applications, (20 March 1997); doi: 10.1117/12.269812
Show Author Affiliations
XinGeng Zhou, Tsinghua Univ. (China)
Cunfu He, Tsinghua Univ. (China)

Published in SPIE Proceedings Vol. 2921:
International Conference on Experimental Mechanics: Advances and Applications
Fook Siong Chau; C. T. Lim, Editor(s)

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