Appl Opt. 1977 Sep 01;16(9):2543-5. doi: 10.1364/AO.16.002543.
Applied optics
J Ebbeni, J C Charmet
PMID: 20168964 DOI: 10.1364/AO.16.002543
In the study of the deformation of objects by holographical interferometry, it is possible to determine directly strain components by measurement of the contrast of the fringes. With adequate geometry and a zero method, contrast measurements give accurate values of the strain components.