A new study has been carried out on holograms, which are three-dimensional virtual images that look real. Researchers have developed a ‘holobrick’ proof-of-concept that can stitch holograms together to create a large, seamless 3D image that can be viewed from multiple angles.
The first step for holographic displays with large and wide viewing angles
Most of the hologram studies carried out so far have not received enough attention due to low resolution or narrow viewing angles. Working on this situation, Cambridge University and Disney Research researchers have developed a new method to display realistic holographic images using ‘holobricks’.
The presented proof-of-concept focuses on how holograms can be combined to create a large, seamless 3D image. Each holobrick uses a high-bandwidth spatial light modulator for information distribution combined with thick integrated optics.
Hobricks 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. The system combines three images of the same object from different angles, creating a sense of depth.
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.
Developed new glasses-free 3D screen with long viewing range
Researchers, they think that with this work, they may find a promising way to solve the currently limited imaging capacity problem of spatial light modulators.
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