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Conferences > DH > 2017 > Th1A > Th1A.5

Accuracy improvement in digital holographic-based speckle correlation for three-dimensional (3D) displacement measurement

Yuchen Zhao, Redouane Zemmamouche, Jean-François Vandenrijt, and Marc P. Georges

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Abstract

Combination of digital holography and speckle correlation for three-dimensional displacement measurement suffers from inaccuracy. Speckle size adjustment and phase error correction during the digital holography process can improve the accuracy of in-plane displacement measurement.

© 2017 Optical Society of America

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