Holographic data-storage-technology

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Holographic data-storage-technology

  1. 1. www.buzzparas.com
  2. 2. o In 2002, around 500 million optical drives and 13 billion disks were sold.o In 2002, approx. 5 Exa­bytes (1EB = 1018 bytes) of unique information per year were produced, equivalent to 800 megabytes for every man, woman, and child on earth.o Digital storage requirements growing at roughly 100% per annum; Development towards an all digital era. www.buzzparas.com
  3. 3. o Leverages More Data Storageo 1500 CDs or 200 DVDs Data in Single DVD.o Optical Storage Methodo Data Stored as Optical Interference Pattern known as holograms www.buzzparas.com
  4. 4. o Laser beams splits into 2 beams.o Beams works as object beam and Reference beam.o To read the stored data, the media is illuminated by original reference beam.o Thousands of Holograms can be stored in the same location by simply changing angle of reference.o Multiple Data Recording is possible by Using Light at Different angles www.buzzparas.com
  5. 5. www.buzzparas.com
  6. 6. www.buzzparas.com
  7. 7. Advantages Associative memory capability Access All the Data in Few Microseconds Storage Capacity Increased Multiple Folds www.buzzparas.com
  8. 8. www.buzzparas.com

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