Abstract

Pseudorandom encoding is a statistical method for designing Fourier transform holograms by mapping ideal complex-valued modulations onto spatial light modulators that are not fully complex. These algorithms are notable because their computational overhead is low and because the space–bandwidth product of the encoded signal is identical to the number of modulator pixels. All previous pseudorandom-encoding algorithms were developed for analog modulators. A less restrictive algorithm for quantized modulators is derived that permits fully complex ranges to be encoded with as few as three noncollinear modulation values that are separated by more than 180° on the complex plane.

© 1999 Optical Society of America

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Errata

Robert W. Cohn and Markus Duelli, "Ternary pseudorandom encoding of Fourier transform holograms: errata," J. Opt. Soc. Am. A 16, 1089-1090 (1999)
https://www.osapublishing.org/josaa/abstract.cfm?uri=josaa-16-5-1089

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