A STUDY ON HOLOGRAPHIC DATASTORAGE TECHNIQUES
B.Tech, IVth year Student, Dept. of E.C.E, Keshav Memorial Institute of Technology, Hyderabad, India
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The recent advances in holographic memories have made it possible to store thousands of holograms at a single location and retrieve the stored data with sufficient reliability to make holography a favorable paradigm for high capacity, high bandwidth storage in digital computers .Holographic memories can be read-out either with the reference or the signal beam. Reference beam read-out reconstructs the stored data whereas signal beam read-out performs a search of the stored data base. This dual mode of holographic memories is explored for the various methods that have been developed for multiplexing holograms.