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VOLUME 38 (1983) | ISSUE 10 | PAGE 483
Amplification of the surface elastic wave in a solid tracked by a laser beam
The predicted [A. M. Dykhne and B. P. Rysev, Poverkhnost', fizika, khimiya, mekhanika, No. 6, 33 (1983)] linear, resonant growth in the amplitude of a surface elastic wave in a solid excited by the absorption of laser radiation, scanned at the velocity of surface waves, focused on the surface is observed experimentally. The dependence of the amplitude of the surface wave on the scanning velocity, the dependence of the amplitude at resonance and the width of the resonance curve on the scanning length and intensity of the radiation are obtained. The results presented agree well with the theory.