Characteristics Of A Laser-Generated Acoustic Source In Metals

A. Aindow; R. J. Dewhurst; D. A. Hutchins; S. B. Palmer

doi:10.1117/12.959056

15 May 1981 Characteristics Of A Laser-Generated Acoustic Source In Metals

A. Aindow, R. J. Dewhurst, D. A. Hutchins, S. B. Palmer

Proceedings Volume 0236, 1980 European Conf on Optical Systems and Applications; (1981) https://doi.org/10.1117/12.959056
Event: 1980 European Conference on Optical Systems and Applications, 1980, Utrecht, Netherlands

Abstract

Characteristics of a laser-generated acoustic source are discussed from measurements carried out using a Nd:YAG Q-switched laser incident on free metal surfaces. Longitudinal, shear and surface acoustic pulses have been generated. Laser energies as low as 3mJ are sufficient to generate such pulses that are readily detected by conventional piezoelectric transducers, without the need for laser focusing. Experimental data highlights several features of the acoustic source.

Citation Download Citation

A. Aindow, R. J. Dewhurst, D. A. Hutchins, and S. B. Palmer "Characteristics Of A Laser-Generated Acoustic Source In Metals", Proc. SPIE 0236, 1980 European Conf on Optical Systems and Applications, (15 May 1981); https://doi.org/10.1117/12.959056

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