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Tailored surface distortions of sub nanometer size by optical transient gratings

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Abstract

The amplitude of surface distortions induced by transient grating excitation has been measured via time-dependent x-ray diffraction (XRD). Results show 4 times higher amplitude of the incoherent surface deformation compared to the propagating surface acoustic waves with a total amplitude of 4Å.

© 2017 Optical Society of America

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