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United States of America Patent
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Jun 12, 2007
Grant Date -
Mar 4, 2004
app pub date -
Nov 2, 2001
filing date -
Nov 7, 2000
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method of generating a Computer Generated Hologram (CGH) using the diffraction specific algorithm allows a curved wavefront to be produced from a single hogel, rather than the planar waves of the prior art. This allows a wavefront from a singel hogel to generate a point in the image volume. An imaginary wavefront is transmitted from each point in the image volume and sampled at a plurality of points over the hogel. These samples are used to produce a set of complex Fourier coefficients that can be used to approximate the original waveform.
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