Dynamic speckle interferometry of roughness and damages

K. Bunakova; P. Eremin; D. Kapustin; D. Popov; A. Vladimirov; E. Vladimirov

doi:10.1117/12.693110

21 June 2006 Dynamic speckle interferometry of roughness and damages

K. Bunakova, P. Eremin, D. Kapustin, D. Popov, A. Vladimirov, E. Vladimirov

Proceedings Volume 6345, Seventh International Conference on Vibration Measurements by Laser Techniques: Advances and Applications; 634509 (2006) https://doi.org/10.1117/12.693110
Event: Seventh International Conference on Vibration Measurements by Laser Techniques: Advances and Applications, 2006, Ancona, Italy

Abstract

The certain step in development of dynamic speckle interferometry is made. The technique of the spectral analysis of speckle dynamics is fulfilled. The technique is tested on experiments on moving the samples having a different roughness, and at a tension of objects up to fracture. The effect of expansion of spectra before destruction is found out. The new optical technique of measurement of velocity of ultrasonic Rayleigh waves is developed and tested. Advantage of a method consists that here it is not necessary to polish a surface before measurements.

Citation Download Citation

K. Bunakova, P. Eremin, D. Kapustin, D. Popov, A. Vladimirov, and E. Vladimirov "Dynamic speckle interferometry of roughness and damages", Proc. SPIE 6345, Seventh International Conference on Vibration Measurements by Laser Techniques: Advances and Applications, 634509 (21 June 2006); https://doi.org/10.1117/12.693110

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