Volume 34, Issue 5 (September 2006)

    Surface Roughness Measurement Using Laser Speckle Statistical Analysis

    (Received 15 July 2005; accepted 27 January 2006)

    Published Online: 2006

    CODEN: JTEOAD

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    Abstract

    This work represents a noncontact nondestructive technique for surface roughness measurement. The technique is based on investigating the statistical properties of the speckle patterns that are developed whenever a surface is illuminated with a highly coherent light source such as a laser. The main objective is to correlate the sizes of the speckles with their light intensities to the surface roughness and profile. Different statistical approaches and correlation analysis have been implemented. Spatial data analysis, or variogram analysis, has been used to develop the relationship between observations taken at various locations. Among the other advantages of such an approach, this technique is simple to implement and suitable for operation in a manufacturing environment.


    Author Information:

    Seif, MA
    Alabama A&M University, Normal, AL

    Rawwash, M
    Yarmouk University, Irbid,


    Stock #: JTE100099

    ISSN: 0090-3973

    DOI: 10.1520/JTE100099

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    Author
    Title Surface Roughness Measurement Using Laser Speckle Statistical Analysis
    Symposium , 0000-00-00
    Committee F01