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Electronic speckle interferometry, phase-mapping, and nondestructive testing techniques applied to real-time, thermal loading

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Abstract

A digital phase-mapping method has been developed for application in real-time electronic speckle interferometry studies. Its principles and application to a continuously deforming object are described. An efficient digital image-processing algorithm has been developed that permits quantitative interpretation of the resulting phase maps.

© 1995 Optical Society of America

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