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Appl Opt. 2004 Mar 10;43(8):1621-4.

Difference displacement measurement by digital holography by use of simulated wave fronts.

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Department of Physics, Budapest University of Technology and Economics, Budafoki út 8, H-1111 Budapest, Hungary.


A concept called fringe compensation was first presented in phase-shifting electronic speckle-pattern interferometry. We apply a similar principle to digital holographic interferometry; here the phase of a wave front is known and can be manipulated. The basic mathematical formulation of fringe compensation and some experimental results are shown with relatively large, simple rigid-body rotation and circular membrane deformation.


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