Hologram Technology for Higher Resolutions


Hologram Technology for Higher Resolutions

Hologram technology has been in our lives for a while. The competition for development continues in hologram technology which is used especially in large presentations, launches, rallies and sometimes television broadcasts, just like other display technologies. A new study has been carried out to enhance hologram technology for higher resolutions to make them more realistic with three-dimensional virtual images that look real. Researchers have developed a 'holobrick' system that can combine holograms to create a large, seamless 3D image that can be viewed from multiple angles.

First step for large and wide viewing angle holographic displays

Although hologram technology has been in use since the 2000s, most of the hologram studies carried out so far have been insufficient to fully provide the necessary illusion due to low resolution or narrow viewing angles. Therefor it did not become an effective and interesting technology despite it aroused excitement at first. Working on this situation, Cambridge University and Disney Research researchers have developed a new method to display realistic holographic images using 'holobricks'.

This presented holobrick method focuses on how holograms can be put together to create a large and seamless 3D image. Each holobrick uses a high-bandwidth spatial light modulator for information distribution combined with thick integrated optics. Each holobrick allows viewing images in full color with a resolution of 1024 x 768 pixels, a 40-degree field of view and a cinematic frame rate of 24 frames per second. In addition, the modularity of the holobricks also allows the size of the holograms to be increased which makes the hologram technology for higher resolutions possible.

Stackable holobricks to create large-scale holograms

Sigma team witnessed some of the examples of this realistic holograms in MWC Barcelona

Holobricks can be stacked seamlessly to create a scalable, spatially tiled 3D display of holographic images with both a wide field of view and large size. This hologram technology for higher resolutions works basically by creating image of an object from three different angles so that create an high resolution visuals more realistic than ever. The researchers think that with their work on this method of hologram technology, they may finally find a promising way to solve the currently limited imaging capacity problem of spatial light modulators that restricts the hologram technology from looking realistic.

Each holobrick consists of a spatial light modulator, a scanner and optics integrated into the container. In total, this system combines three images of the same object from slightly different angles, which creates a sense of depth. This light is then sent through a series of lenses that separate the images so that when it appears on the 2D screen on the holobrick surface, it creates three different views depending on any viewer's angle. Essentially, this means that as you move around the screen, your view of the virtual object or scene will change with you, creating the illusion that it is with you in the real world.



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