Method and apparatus for azimuthal multiplexing of holograms
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United States of America Patent
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Jun 10, 1997
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N/A
app pub date -
Dec 21, 1994
filing date -
Dec 21, 1994
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Abstract
A holographic storage system and method are provided in which a light source (12) is used to generate a coherent light beam which is split into a reference beam (18) and an object beam (20). The reference beam (18) is directed to the holographic storage medium (22) through use of a reference beam multiplexer (24). The object beam is encoded with a pattern encoder (34) and directed to the holographic storage medium (26). During read out, the object beam is reconstructed and detected by an optical detector (40).
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