Computation of surface roughness using optical correlation

Hamed, Abdallah; M. A. Saudy;

Abstract


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.


Other data

Title Computation of surface roughness using optical correlation
Authors Hamed, Abdallah ; M. A. Saudy
Keywords Surface roughness;optical correlation;speckle
Issue Date May-2007
Publisher Indian Academy of Sciences
Journal Pramana - Journal of Physics 
Volume 68
Issue 5
Start page 831
End page 842

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