Apparatus for high density holographic optical data storage
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United States of America Patent
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Mar 5, 1991
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N/A
app pub date -
Aug 25, 1988
filing date -
Aug 25, 1988
priority date (Note) -
Expired
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Abstract
Methods and apparatus for writing and reading data provide storage in a volume of memory material consisting of inhomogenously broadened absorption centers such that a beam of electromagnetic radiation controlled to be independently steered and simultaneously shifted in wavelength can access information stored in four independent dimensions, three spatial and one spectral. The memory medium can be utilized to write and read a selectable connection matrix between two completely populated two-dimensional memory planes.
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