This paper proposes a three-color holographic interferometer for the early crack detection in composite materials submitted to a shear test. Evaluation of shear strains at the surface provides a pertinent parameter to detect premature crack.
© 2012 OSA
M. Karray, C. Poilane, D. Mounier, and P. Picart, "Digital Color Holography as A Tool for the Detection of Premature Cracks in Composite Materials," in Biomedical Optics and 3-D Imaging, OSA Technical Digest (Optical Society of America, 2012), paper DW1C.4.
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