HOLOGRAPHIC IMAGE DISPLAY SYSTEMS
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United States of America Patent
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Issued Date -
Apr 22, 2010
app pub date -
Dec 12, 2007
filing date -
Jan 24, 2007
priority date (Note) -
Abandoned
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Abstract
This invention relates to methods and apparatus for the holographic display of images. We describe a method of compensating for spatial phase non-uniformities in a holographic image display system, the system including a substantially coherent light source illuminating an SLM (24), the method comprising sequentially displaying substantially the same hologram (40) at a plurality of different positions (40a, 40b) on said SLM (24) such that the displayed holographic images successively replayed by said differently positioned holograms (40a, 40b) average to provide a holographic displayed image with increased uniformity.
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