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- W2091815072 endingPage "4070" @default.
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- W2091815072 abstract "Off-axis holograms recorded with a CCD camera are numerically reconstructed with a calculation of scalar diffraction in the Fresnel approximation. We show that the zero order of diffraction and the twin image can be digitally eliminated by means of filtering their associated spatial frequencies in the computed Fourier transform of the hologram. We show that this operation enhances the contrast of the reconstructed images and reduces the noise produced by parasitic reflections reaching the hologram plane with an incidence angle other than that of the object wave." @default.
- W2091815072 created "2016-06-24" @default.
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- W2091815072 date "2000-08-10" @default.
- W2091815072 modified "2023-10-03" @default.
- W2091815072 title "Spatial filtering for zero-order and twin-image elimination in digital off-axis holography" @default.
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- W2091815072 doi "https://doi.org/10.1364/ao.39.004070" @default.
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