Fabrication method for a computer-generated hologram or a...

Details Fabrication method for a computer-generated hologram or a... Fabrication method for a computer-generated hologram or a...

2004-11-04

2009-08-25

Allen, Stephone B (Department: 2872)

Optical: systems and elements

Holographic system or element

For synthetically generating a hologram

C345S421000, C345S619000

Reexamination Certificate

active

07580170

ABSTRACT:
A method for fabricating a computer-generated hologram or a holographic stereogram can reconstruct a three-dimensional object having visualized cross-sectional surfaces, wherein the three-dimensional object composed only of surface data is processed to have visualized cross-sectional surfaces on a given cross section thereof by adding surface data to cross-sectional surfaces. The method includes obtaining a number of two-dimensional cross-sectional image data of a three-dimensional object, producing three-dimensional object image data composed only of surface data of the three-dimensional object from the two-dimensional cross-sectional image data obtained above, cutting the three-dimensional object surface data along a predetermined cross section, defining the shape by adding surface data representing cross-sectional surfaces on the cut cross section to the same, defining the arrangement of the defined three-dimensional object, a hologram plane, and a reference beam to compute interference fringes on the hologram plane, and recording the interference fringes on a recording medium.

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patent: 2001-109362 (2006-03-01), None

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