Remote control by laser excitation and IR detector of surface acoustic waves

Walter Arnold; Alexander A. Karabutov; Alexander P. Kubyshkin; Vladislav Ya. Panchenko

doi:10.1117/12.251183

23 September 1996 Remote control by laser excitation and IR detector of surface acoustic waves

Walter Arnold, Alexander A. Karabutov, Alexander P. Kubyshkin, Vladislav Ya. Panchenko

Proceedings Volume 2789, High-Power Lasers: Applications and Emerging Applications; (1996) https://doi.org/10.1117/12.251183
Event: Lasers, Optics, and Vision for Productivity in Manufacturing I, 1996, Besancon, France

Abstract

The new method of nondestructive remote control of a structure, material properties and defects in ear surface layers of construction materials is proposed. It is based upon laser excitation of surface acoustic waves (SAW) and its remote registration by detection of IR radiation, arising due to dilation temperature variation in SAW. Theoretical foundation of this technique is developed. The estimates show the reliability of the laser-induced surface acoustic waves; IR detection method. The method is especially convenient for investigation of a samples under elevated temperatures and with rough surfaces.

Citation Download Citation

Walter Arnold, Alexander A. Karabutov, Alexander P. Kubyshkin, and Vladislav Ya. Panchenko "Remote control by laser excitation and IR detector of surface acoustic waves", Proc. SPIE 2789, High-Power Lasers: Applications and Emerging Applications, (23 September 1996); https://doi.org/10.1117/12.251183

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