Journal
Scientific and technical journal of information technologies, mechanics and optics
UDK535.417, 681.787
Issue:2 (78)
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RECONSTRUCTION OF DIGITAL FOURIER HOLOGRAM IN CASE OF NYQUIST FREQUENCY EXCESS
Annotation
Experimental investigation of registration peculiarities of digital Fourier holograms in case of Nyquist frequency excess has been carried out. It has been shown, that exceeding of Nyquist frequency by carrier frequency of the hologram leads not to disappearance of the reconstructed image, but to gradual decrease of image intensity, which indicates decrease of hologram diffraction efficiency.
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