Scottish University develops Technology to generate 3D Holograms with a single pixel ...Syria

Edinburgh-SANA

New research from the University of St Andrews is advancing holographic technology, with potential applications in smart devices, communication, gaming, and entertainment. In a paper published in the journal Light, Science and Application, physicists from the School of Physics and Astronomy reported the creation of a new optoelectronic device that combines Holographic Metasurfaces (HMs) with Organic Light-Emitting Diodes (OLEDs).

The St Andrews team, however, demonstrated that pairing OLEDs with HMs provides a more compact and straightforward method. This approach is not only easier to implement but also less expensive, addressing one of the key challenges that has limited wider use of holographic technology.

Researchers found that when each meta- atom is carefully shaped to control the properties of the beam of light that goes through it, it behaves as a pixel of the HM. When light goes through the HM, at each pixel, the properties of the light are slightly modified.

Thanks to these modifications, it is possible to create a pre-designed image on the other side, exploiting the principle of light interference, whereby light waves create complicated patterns when they interact with each other.

Tuhama al-Saidi /Manar Salameh  

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