Method and Apparatus for Recording One-Step, Full-Color, Full-Parallax, Holographic Stereograms
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United States of America Patent
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Issued Date -
Aug 2, 2012
app pub date -
Nov 28, 2011
filing date -
Feb 27, 1998
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Abandoned
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Abstract
Holographic stereograms and holographic optical elements are printed using computer rendered images of 3D computer models or processed images. Printing of one-step, full-color, full-parallax holographic stereograms uses a reference beam-steering system to expose a holographic recording material from different angles by a reference beam. A coherent beam is split into object and reference beams that interfere with each other at an elemental hologram on a holographic recording material. A voxel-control lens can be placed in the path of the object beam and in close proximity to the holographic recording material to control resolution of a holographic stereogram. Interchangable band-limited diffusers and reference-beam masking plates, and viewing zone techniques can be used in the rendering process.
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