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Opt Lett. 2003 Oct 15;28(20):1900-2.

Time-averaged digital holography.

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  • 1Ecole Nationale SupĂ©rieure d'IngĂ©nieurs du Mans, Rue Aristote, 72085 Le Mans Cedex 9, France.


We demonstrate that it is possible to study the modal structures of a vibrating object with digitally recorded holograms by use of the time-averaging principle. We investigate the numerical reconstruction from a theoretical point of view, and we show that the numerically reconstructed object from a digital hologram is modulated by the zeroth-order Bessel function. Results of experiments in time-averaged digital holography are presented.

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