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Published in:
2022 | OriginalPaper | Chapter
8. Interferometry
Author : Prof. Emmanuel E. Gdoutos
Published in: Experimental Mechanics
Publisher: Springer International Publishing
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Abstract
Interferometric methods of stress analysis are based on the phenomenon of interference of light. They use interferometers to measure the optical retardations of bodies due to loading, which are directly related to the stresses. When combined with the difference of the principal stresses obtained from isochromatic patterns of photoelasticity the individual principal stresses are determined.