What is Holographic Storage?

Posted by on April 26, 2011

With latest technological innovations and science advancements everything has changed. Right from our living style, work, food and all have seen major transformation and data storage cannot be left either. Even a decade prior, we used to store information only on papers and cassettes. But today, we have forgot those and CD/DVD’s are a common thing seen every where around us. Let it be music, photos, or official data you can save the whole thing in a small CD/DVD that is compact to carry. Storing data on a CD/DVD too has seen numerous alterations and now it is the holographic way. /> Holography is nothing but a three dimensional image of data. The technique was first brought in to light in 1947 but it did not see any great developments further until 1960. The crucial thing is it takes the depth of the medium to store information, instead of just considering the surface. Holographic storage is basically a three dimensional storage format. To understand the concept better let’s define holograms first. Hologram is simply a three dimensional image created with two laser beams and a storage medium. The resultant image can be seen from any direction and it is the same irrespectively. It stores data in an intrusion pattern and that is the technology behind holographic storage. Here huge volumes of data are stored by converting them into very minute components and it serves as the storage medium too. It uses the same technology as used in CD and DVD’s. /> In general laser device storage does not store information on the outer layer alone which will then have space constraints. It uses the thickness inside the media instead, to enhance the storage capacity. For saving data two beams are utilized, but then the source is a single unique one. The three dimensional storage abilities depend on the light responsive media. This is what makes the information to be stored in three dimensions rather from being two dimensional patterns. The recording as said is not done on the surface alone and is amassed in the form of minuscule cones within the thickness of the disc. It is fundamentally a vital tool for storing huge volumes of data according to the research continued by InPhase Technology Inc. /> It is a technology through which we can store and transfer data at higher rates efficiently and effectively. Moreover, the life of data stored is also very strong. The technology is developing from 1960′s but then, it has seen a huge growth in this decade and it is commercially feasible nowadays.

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