Research Journal of Optics and Photonics

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Commentary, Res J Opt Photonics Vol: 5 Issue: 6

Process of Holographic Recording Media and Devices

Rakesh Kumar
 Research Professor, Department of Optical Sciences, Madras, India.

Keywords: Holographic recording, Holographic recording

The runaway success of technological know-how fiction blockbuster Avatar, a 3-Dimensional (3D) craze has been sweeping the complete world in latest years. In keeping with one file announced by way of Allied marketplace research, the worldwide 3D technology marketplace became worth $46.0 billion in 2013, and is expected to reach $175 billion, by way of the give up of 2020, growing at a Compound Annual Growth Rate (CAGR) of 21% at some stage in 2013-2020. Technically, of all types of 3D displays, holography is considered as a last technique for displaying 3D photographs. In contrast to the glasses-type 3D, its miles inherently auto stereoscopic because it allows the viewer to perceive the mild as it would be scattered with the aid of the real item itself with none unique eye wear. however, sixty seven years after its birth in 1947 -nearly two decades older than liquid crystal display (liquid crystal display)-holography remains an era staying in the lab in preference to going places within the commercial show markets. One reason, amongst others that would give an explanation for the above state of affairs, is that in conventional holography, dichromate gelatin and silver halide are used as recording media, and people substances are incapable of updating holograms, thereby proscribing their software simply to the optical storage of nevertheless photographs. A good way to deal with this difficulty, pc-generated holography (CGH) emerged as an opportunity technique, which bypasses the want of recording via digitally producing holograms. To stay as much as the standard video body fee, a big amount of data as much as terabits/s wishes to be processed. In truth, this is impractical with the modern computers. Any other problem bothering CGH lies inside the size of the spatial light modulator (SLM), wherein the holograms are reconstructed.

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