Angle multiplexing holographic storage device and method

Details Angle multiplexing holographic storage device and method Angle multiplexing holographic storage device and method

2007-03-20

2007-03-20

Boutsikaris, Leonidas (Department: 2872)

Optical: systems and elements

Holographic system or element

For producing or reconstructing images from multiple holograms

C359S025000, C359S035000, C365S125000, C365S216000, C369S103000

Reexamination Certificate

active

11167645

ABSTRACT:
In an angle multiplexing holographic storage device, a movable beam splitter is used for splitting a source beam into an object beam and a reference beam. An encoding device is used for encoding the object beam with pixel data. A parabolic reflector differentially reflects the reference beam with the movement of the movable beam splitter. A holographic storage medium is arranged at the focal point of the parabolic reflector and made to lie in the optical path of the encoded object beam so that the differentially reflected reference beams encounter and interfere with the encoded object beam at the same site of the holographic storage medium to form and record various interference patterns.

REFERENCES:
patent: 6157473 (2000-12-01), Jang et al.
patent: 6700686 (2004-03-01), King et al.
patent: 6798547 (2004-09-01), Wilson et al.
patent: 2004/0227927 (2004-11-01), Battiato et al.

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