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Appl Opt. 1970 Mar 1;9(3):639-43. doi: 10.1364/AO.9.000639.

Sampled fourier transform hologram generated by computer.


A technique to determine a real nonnegative function representing the transmittance of a synthesized hologram is described. The technique uses the positions of the samples in the synthesized hologram to record the phase information of a complex wavefront. Synthesized holograms are displayed on a flying spot scanner and recorded on film. The transmittance of the synthesized hologram is quantized into 256 levels because of a hardware limitation of the scanner.

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