Abstract
The laser speckle photography is used to calculate the average surface roughness from the autocorrelation function of the aluminum diffuse objects. The computed results of surface roughness obtained from the profile shapes of the autocorrelation function of the diffuser show good agreement with the results obtained by the stylus profile meter.
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Hamed, A.M., Saudy, M. Computation of surface roughness using optical correlation. Pramana - J Phys 68, 831–842 (2007). https://doi.org/10.1007/s12043-007-0081-x
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DOI: https://doi.org/10.1007/s12043-007-0081-x