HOLOGRAPHIC MEMORY - Different Technologies Articles

Holographic Memory

Introduction Although conventional storage methods adapt to the growing needs of computer systems, they are reaching their fundamental limits. Often improvements made to these storage methods decrease access times or reduce the size of stored ...

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Holographic Versatile Disc

Introduction Holographic Versatile Disc (HVD) is an optical disc technology which would hold up to 3.9 terabytes (TB) of information. It employs a technique known as collinear holography, whereby two lasers one red and one gr ...

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Working of Holographic Memory

Properties of Holograms A hologram is a block or sheet of photosensitive material which records the diffraction of two light sources. To create a hologram, laser light is first split into two beams, a source beam and a reference beam. The sou ...

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Development of Materials for Holographic Memory

One of the problems standing on the way of development of holographic memory devices is a search of the appropriate material. The most of the investigations in the sphere of holography were carried out with usage of photoreactive materials (mainly the ...

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Working of Holographic Versetile Disk

The HVD System: Writing Data A simplified HVD system consists of the following main components: Blue or green laser (532-nm wavelength in the test system) Beam splitter/merger Mirrors Spati ...

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Application of Holographic Memory in Computer Systems

In order for holographic technology to be applied to computer systems, it must store data in a form that a computer can recognize. In current computer systems, this form is binary. In the previous section, it was mentioned that the source beam is manip ...

0 Comments. 812 views since Jun 16, 2008