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Technology breakthrough allows for more detailed 3D holograms for virtual reality and other uses

Apr. 06, 2023.
1 min. read 1 Interactions

Radical new 3D holographic technology could provide 3D visuals without requiring a headset

About the writer

Amara Angelica

198.01421 MPXR

Senior Editor Amara Angelica, an electrical engineer and inventor, was previously Editor of Kurzweil AI, working with Ray Kurzweil on The Singularity Is Near and other works

Ultra-high-density hologram system (Credit: Lei Gong, University of Science and Technology of China)

Creating a dynamic holographic projection typically involves using a spatial light modulator (SLM) to modulate the intensity and/or phase of a light beam. But today’s holograms are limited in terms of quality because current SLM technology only allows for a few low-resolution images to be projected onto separate planes, with low depth resolution.

Researchers have now invented a way to pack more details in a 3D image by creating ultra-high-density planes. “A 3D hologram can present real 3D scenes with continuous and fine features,” said Lei Gong, who led a research team from the University of Science and Technology of China.

“For virtual reality, our method could be used with headset-based holographic displays to greatly improve the viewing angles, which would enhance the 3D viewing experience. It could also provide better 3D visuals without requiring a headset.”

Citation: P. Yu et al. Gong, “Ultrahigh-density 3D Holographic Projection by Scattering-assisted Dynamic Holography,” 10, 4 (2023). DOI: 10.1364/OPTICA.483057. https://opg.optica.org/optica/fulltext.cfm?uri=optica-10-4-481&id=528843 (open-access).

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