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Is the storage of data in holograms more secure than the optical disc storage using interference patterns?
Member rating: No Rating | Words: | Submitted: Mon Dec 11 2006
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Extended Essay Is the storage of data in holograms more secure than the optical disc storage using interference patterns? Intro Storage(importance) Latest tech that has supported this storage reqt Stored data needs security 2 forms of storage-optical then Holographic> Optical Disk storage: - Optical disc is flat, circular, a polycarbonate disc whereon data is stored in the form of pits (or bumps) a sunken place for a apecific purpose of storage of data within a flat surface. This data is generally accessed when a special material on the disc often aluminum is illuminated with a laser. The reflected laser light is distorted by pits and the data is accessed. The numerical aperture of the optical pick-up head is 0.65, compared with 0.6 for DVD. Both of the new formats are likely to be backward compatible with DVDs and both employ the same video compression techniques. High Definition Digital Video Disk is a third generation data storage...
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