The Space Shuttle Columbia's catastrophic accident was due to a piece of Spray on Foam Insulation (SOFI) that broke off from the external tank and damaged the leading edge of the orbiter's left wing. Millimeter wave focused and near-field imaging methods have been suessfully used for inspecting of the SOFI samples. Comparison between these methods for the purpose of detection and evaluation of flaws in the SOFI is provided using examples of images of SOFI samples.


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    Title :

    Comparison of Focused and Near-Field Imaging of Spray on Foam Insulation (SOFI) at Millimeter Wave Frequencies


    Contributors:

    Conference:

    3rd International Conference on Electromagnetic Near-Field Characterization and Imaging (ICONIC 2007) ; 2007 ; Saint Louis, MO, United States


    Publication date :

    2007-01-01


    Type of media :

    Conference paper


    Type of material :

    No indication


    Language :

    English