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Phys Rev Lett. 2007 Jun 8;98(23):233901. Epub 2007 Jun 4.

Solution to the twin image problem in holography.

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  • 1Institute of Physics, University of Zurich, Winterthurerstrasse 190, CH-8057 Zurich, Switzerland.


While holography truly constitutes an ingenious concept, ever since its invention by Gabor it has been troubled by the so-called twin-image problem limiting the information that can be obtained from a holographic record. For symmetry reasons there are always two images appearing in the reconstruction of a hologram and the unwanted out of focus twin-image obscures the object. Here we show a universal method of reconstructing a hologram completely free of twin-image disturbances while no assumptions about absorbing or phase shifting properties of the object need to be imposed. Thus, truthful amplitude and phase distributions are retrieved.

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