Holographic stereogram forming apparatus

Details Holographic stereogram forming apparatus Holographic stereogram forming apparatus

2006-05-16

2006-05-16

Robinson, Mark A. (Department: 2872)

Optical: systems and elements

Holographic system or element

For producing or reconstructing images from multiple holograms

Reexamination Certificate

active

07046409

ABSTRACT:
Between a spatial beam modulator for modulating an object beam and a one-dimensional diffuser plate for diffusing the object beam modulated by the spatial beam modulator in a one-dimensional direction, there is arranged an object projection optical system for processing the object beam modulated by the spatial beam modulator in such a manner that, in the one-dimensional direction of the one-dimensional diffuser plate, images displayed by the spatial beam modulator are formed on the one-dimensional diffuser plate, and, in a direction substantially orthogonal to the one-dimensional direction, the object beam is condensed onto a hologram recording medium. In the one-dimensional direction of the one-dimensional diffuser plate, the images displayed by the spatial beam modulator are formed on the one-dimensional diffuser plate, whereby blurring of the images with the one-dimensional direction as a non-parallactic direction can be suppressed.

REFERENCES:
patent: 4411489 (1983-10-01), McGrew
patent: 5949559 (1999-09-01), Kihara et al.
patent: 6185018 (2001-02-01), Kihara
patent: 6195185 (2001-02-01), Shirakura et al.
patent: 6400474 (2002-06-01), Shirakura

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