Displaying holographic three dimensional images

Details Displaying holographic three dimensional images Displaying holographic three dimensional images

2007-04-24

2007-04-24

Assaf, Fayez G. (Department: 2872)

Optical: systems and elements

Holographic system or element

Using a hologram as an optical element

C359S015000, C359S029000, C359S032000

Reexamination Certificate

active

11453427

ABSTRACT:
Holographic three dimensional images of objects can be displayed via a device comprising micro holographic optical elements (MHOEs). A device for displaying holographic three dimensional images of objects can comprise a laser source, a spatial filter using a micro holographic optical element (MHOE) lens, a collimating MHOE lens, a spatial light modulator, and cylindrical MHOE lenses. A holographic three dimensional image of an object can be displayed using MHOEs by emitting a coherent light, filtering and expanding the light, aligning the expanded light, modulating the aligned expanded light, and focusing the modulated light.

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Youzhi Li et al., “Computer-generated holograms of three-dimensional realistic objects recorded without wave interference,” Appl. Opt. vol. 40, No. 17, pp. 2864-2870 (Jun. 2001).
Sajan Ambadiyil et al., “Performance Analysis and Material Dependence of Micro Holographic Optical Elements as Couplers for Fiber Optic Communication,” Proceedings of SPIE vol. #5623, 8 pages (Nov. 2004).
Michael L. Huebschman et al., “Dynamic holographic 3-D image projection,” Optics Express, vol. 11, No. 5, pp. 437-445 (Mar. 2003).

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