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Disney develops modular technology for cinema-sized holographic movies

Disney develops modular technology for cinema-sized holographic movies

[13:21 Sun,20.March 2022   by ]    

Holograms are a technology that has been long awaited, but so far have always disappointed. The most famous example still comes from the depiction of the short 3D clip of Princess Leia in the very first Star Wars movie (1977), which gave many people an idea of what a holofilm could look like. Since then, there have been numerous attempts to make at least halfway spatial images and movies Wikrlichkeit nwerden, but they have not looked good enough for a long time - the resolution was too poor, the hologram was often very small or the 3D effect was only visible from a small range of angles.

Zwei-Holobricks
Two combined holobricks




However, some progress has been made recently, for example the 32" Looking Glass 8K display, which is still prohibitively expensive at ,500 (and whose 3D resolution is many times lower than the input resolution of 8K).

Now a research team of Disney and the University of Cambridge introduced the "Holographic Blocks" aka "Holobricks", a system of optical modules, whose holographic projections can be combined by a compound of many such elements to an arbitrarily large hologram.

Multiple-Holobricks-plus-Bild
Six combined holobricks generate one large hologram


Each holobrick combines three images of the same object from slightly different angles through a system of a spatial light modulator, a scanner, and crudely integrated optics, creating a sense of depth for viewers within a 40° field of view. Each Holobrick can display these three perspective images in full color at a resolution of 1,024 x 7.68 pixels and a refresh rate of 24 frames per second.

The unique feature of the new system is that the 3D images of the individual holobricks can be combined into one larger seamless holographic image by using many modules, which looks like a single image from different viewing angles and in all image planes. This is possible because the image of a single brick uses the entire surface. Thus, in the future, it would be conceivable to have holo-displays the size of a movie screen, composed of many smaller holobrick modules.

Hologram (a) from two holobricks (c and d) - (b) is the reference image from which the hologram was created:

Holo-Beispielbild-2-zu-einem



The holobricks are still prototypes, but the experiments show that with the help of this technology holographic movies could be realizable for a large audience. However, some research is still needed before the technology is ready for mass production, because according to the research team, some problems still need to be solved.

Link more infos at bei www.nature.com

deutsche Version dieser Seite: Disney entwickelt modulare Technik für holographische Filme in Kinogröße

  

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deutsche Version dieser Seite: Disney entwickelt modulare Technik für holographische Filme in Kinogröße



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