3D Optical Storage Technology [#979090]

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English | 2022 | ISBN: 1984659952 | 324 Pages | PDF (True) | 21 MB
The best medium for data storage has been a main concern over the past decades. The advent of the information age is accompanied by the rapid growth of digital information, which is in urgent need for the development of huge storage space and security media. Optical storage technology with the huge storage capacity and low cost has become a new choice for information storage. At present, the commercial optical storage devices mainly include Blu-ray discs, digital versatile discs, and compact discs. The main digital circulation has been the optical data storage which has been being improved to accommodate new changes in technology and applications. Optical data storage is an alternative to magnetic disk data storage. Currently data access times are extremely slow for magnetic disks when compared to the speed of execution of CPUs so that any improvement in data access speeds will greatly increase the capabilities of computers, especially with large data and multimedia files. Optical memory is a technology that uses a three dimensional medium to store data and it can access such data a page at a time instead of sequentially, which leads to increases in storage density and access speed. Optical data storage systems are very close to becoming economically feasible. Photo-refractive crystals and photopolymers have been used successfully in experimental optical data storage systems. Such systems exploit the optical properties of these photosensitive materials along with the behavior of laser light when it is used to record an image of an object. 3-D optical data storage technology is one of the modern methods of storing large volumes of data.