1 October 1975 Holographic Memories
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Abstract
Recent work in holographic memories is reviewed. Erasable, digital holographic stores have major remaining problem areas of increasing the memory capacity and developing a good storage material. The modular memory concept and the superposition of holograms in a thick storage media are two approaches to increasing the capacity of a holographic store. There have been several very interesting read-only holographic memories developed for specialized systems applications. The properties of these specialized holographic stores are compared with some bit-oriented optical memories as well as more standard technologies such as semiconductor storage and magnetic disk storage. The advantages and dis-advantages of holographic storage are reviewed. The associa-tive property of holograms should make this form of storage very useful for parallel search type memories and also create the potential for parallel data processing in applications of the future.
Gordon R. Knight, "Holographic Memories," Optical Engineering 14(5), 145453 (1 October 1975). https://doi.org/10.1117/12.7971811 . Submission:
JOURNAL ARTICLE
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