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Proceedings Paper

The application research of laser ultrasonic technique used in testing compound material
Author(s): Jun Xu; Lingjian Kong; Xiaofei Gu; Jijun Luo; Xun Hou
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Paper Abstract

The principles of laser ultrasonic generation and measurements with pulsed laser are presented. There are two kinds of means to actuate ultrasonic pulse: elasticity actuating and ablation actuating. The progress in laser ultrasonic about laser ultrasound generation, detection, propagation and its applications is introduced briefly. Applications in the field of Non-Destructive Testing (NDT) are reviewed. In the field of Non-Destructive Testing, according to the principle, the laser ultrasonic testing system consists of laser system, laser interferometer, photoelectric detector and receiving system with signal amplifier. Thus, long-range and non-contact on-line detection of ultrasonic testing system was realized. In view of some of the problems, the developing trends of such techniques are analyzed.

Paper Details

Date Published: 13 January 2005
PDF: 4 pages
Proc. SPIE 5629, Lasers in Material Processing and Manufacturing II, (13 January 2005); doi: 10.1117/12.576509
Show Author Affiliations
Jun Xu, Xi'an Jiaotong Univ. (China)
Xi'an Institute of High Technology (China)
Lingjian Kong, Xi'an Institute of High Technology (China)
Xiaofei Gu, Xi'an Institute of High Technology (China)
Jijun Luo, Xi'an Institute of High Technology (China)
Xun Hou, Xi'an Jiaotong Univ. (China)

Published in SPIE Proceedings Vol. 5629:
Lasers in Material Processing and Manufacturing II
ShuShen Deng; Akira Matsunawa; Y. Lawrence Yao; Minlin Zhong, Editor(s)

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