Abstract
A very simple speckle point interferometer of the Michelson type and the method employed to achieve nanometric resolution and repeatability is described. Among the subjects of interest, the selection of the dimensions of the detector compared to the speckle size and fringe separation and the effects of averaging the signal obtained from successive acquisitions under identical conditions are evaluated. An application of the interferometer to the measurement of the amplitude field of a Rayleigh wave train, propagating on the surface of an aluminum slab, with nanometric resolution is presented. The average repeatability obtained is of the order of 2 nm.
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© 2000 Springer-Verlag Berlin Heidelberg
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Cernadas, D. et al. (2000). Rayleigh Wave Amplitude Field Determination by a Simple Speckle Point Interferometer. In: Jacquot, P., Fournier, JM. (eds) Interferometry in Speckle Light. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-57323-1_37
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DOI: https://doi.org/10.1007/978-3-642-57323-1_37
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-642-63230-3
Online ISBN: 978-3-642-57323-1
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