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Holographic Data Storage

Definition - What does Holographic Data Storage mean?

Holographic data storage is a high data storage capacity technology that enables data storage by creating holographic images of each data instance on a supported medium. It is based on the similar concept of optical storage devices but it enables the use of a single storage volume to store large amounts of data.

Holographic data storage is also known as three-dimensional data storage (3-D data storage).

Techopedia explains Holographic Data Storage

Holographic data storage technology slightly amends the light angle, wavelength and storage media location to create different holographs, allowing thousands of holographs to fit onto one storage medium. It works when a light beam carrying data is split into two beams - one carrying actual data and the other serving as a reference beam. Both beams are separately reflected, refracted and passed through a series of processes before being intersected at the storage medium. At the point of intersection, a three-dimensional (3-D) holograph image of the data is created and stored in the medium. The reference beam is again deflected with the same angle onto the storage medium to extract the data.

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