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Published September 29, 1994 | Published
Book Section - Chapter Open

Large-scale volume holographic storage in the long interaction length architecture


We describe a page-formatted random-access holographic memory designed to store up to 160,000 holograms. The memory consists of 16 vertically spaced locations, each containing 10,000 holograms, which in turn are organized as 10 fractal-multiplexed rows of 1000 angularly-multiplexed holograms. A segmented mirror array is used to enable random access to any of the stored holograms within the access time of a non-mechanical angle scanner such as an acousto-optic deflector. Using a mechanical scanner with such a mirror array, we demonstrate storage of 10,000 holograms at a single location of the system, as well as simultaneous storage and recall of holograms at 6 locations, including the highest and lowest of the 16 locations.

Additional Information

© 1994 Society of Photo-Optical Instrumentation Engineers (SPIE). This work is funded by Rome Lab/TRAP under contract #30602-94-C-0182. G. Burr acknowledges the support of an Office of Naval Research Graduate Fellowship.

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August 20, 2023
August 20, 2023