Replication of data to holographic medium using holographic master media
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United States of America Patent
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Jun 22, 2010
Grant Date -
Jul 2, 2009
app pub date -
Oct 10, 2008
filing date -
Dec 30, 2003
priority date (Note) -
Expired
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Abstract
An apparatus for replicating holographically recorded data, comprising a holographic master media having holographically recorded data thereon; a holographic copy media; a light source for generating a master reference beam and a copy reference beam, coherent with the first object beam, the first master reference beam incident on the holographic master media, the holographic master media diffracting the master reference beam to provide a first object beam; the copy reference beam incident on the holographic copy media; and a first optical relay system, disposed between the holographic master media and the holographic copy media, for relaying the first object beam from the holographic master media to the holographic copy media, the holographic copy media recording an interference pattern between the first object beam and the copy reference beam, thereby replicating at least a portion of holographically recorded data.
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