Segmented image holographic disks

Details Segmented image holographic disks Segmented image holographic disks

G - Physics

03

H

G03H 1/28 (2006.01) G03H 1/22 (2006.01) G03H 1/26 (2006.01)

Patent

CA 2128575

A hologram structure including a plurality of holograms having substantially identical reconstruction characteristics disposed on a substrate for rotation about a rotation axis and containing segments of a composite image. The holograms are angularly offset relative to each other about a rotation axis such that the composite image is visible over at least one narrow solid angular region pursuant to rotation of the holograms about the rotation axis and illumination of the holograms with a reconstruction beam.

Structure holographique comprenant une série d'hologrammes possédant des caractéristiques de reconstruction sensiblement identiques placés sur un support en vue de leur rotation sur un axe de rotation et comportant des segments d'une image composite. Les hologrammes sont décalés sur le plan angulaire les uns par rapport aux autres selon un axe de rotation de sorte que l'image composite est visible sur au moins une étroite zone angulaire solide d'après la rotation des hologrammes sur l'axe de rotation et l'illumination des hologrammes à l'aide d'un faisceau de reconstruction.

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