Abstract

In holographic applications in which the phase is a free parameter, computer-generated holograms offer attractive possibilities. Lateral repetition of the hologram structure is a natural way to increase the space–bandwidth product of a Fourier hologram. To circumvent unwanted effects, two methods of phase manipulations of repeated holograms are presented. Improvement of the diffraction efficiency and an increase in the number of reconstructed image points are discussed. Experimental verifications are shown in the form of optical reconstructions of computer-generated holograms.

© 1987 Optical Society of America

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