The application research of laser ultrasonic technique used in testing compound material

Jun Xu; Lingjian Kong; Xiaofei Gu; Jijun Luo; Xun Hou

doi:10.1117/12.576509

13 January 2005 The application research of laser ultrasonic technique used in testing compound material

Jun Xu, Lingjian Kong, Xiaofei Gu, Jijun Luo, Xun Hou

Author Affiliations +

Proceedings Volume 5629, Lasers in Material Processing and Manufacturing II; (2005) https://doi.org/10.1117/12.576509
Event: Photonics Asia, 2004, Beijing, China

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.

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Jun Xu, Lingjian Kong, Xiaofei Gu, Jijun Luo, and Xun Hou "The application research of laser ultrasonic technique used in testing compound material", Proc. SPIE 5629, Lasers in Material Processing and Manufacturing II, (13 January 2005); https://doi.org/10.1117/12.576509

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