Method and apparatus for phase-encoded homogenized Fourier transform holographic data storage and recovery
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United States of America Patent
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Jan 26, 2010
Grant Date -
Jan 22, 2009
app pub date -
Jul 8, 2008
filing date -
Oct 8, 2003
priority date (Note) -
Expired
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Abstract
An apparatus for writing and reading holograms, comprising a spatial light modulator (SLM) operable in phase mode, having a plurality of pixels for generating an object beam that overlaps with a reference beam; a holographic recording medium (HRM) in the path of the object beam; and a first lens element disposed in the path of the object beam between the SLM and the HRM; wherein the HRM is disposed at or near the Fourier transform plane of the first lens element.
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