Nvidia and Stanford Develop Downsized Holographic Glasses
Engineers at Nvidia have teamed with Stanford University researchers to develop a virtual reality headset that looks and feels more like a regular pair of eyeglasses, according to a research paper presented at SIGGRAPH 2022. The “Holographic Glasses” can depict scenes in full-color 3D holographic images using optical lenses that are just 2.5mm thick. The so-called “pancake lenses” not only have a slimmer profile, but also offer a 200-degree field of view and the potential for resolution that is virtually unlimited and can be “cranked up” at will. ...
The Holographic Glasses from Stanford and Nvidia break new ground by “delivering both 3D images and minimizing the gap between lens and screen,” PC Gamer says, explaining that “the research paper lists the glasses as such: ‘a coherent light source that is coupled into a pupil-replicating waveguide, which provides the illumination for a phase-only SLM that is mounted on the waveguide in front of the user’s eye. This SLM creates a small image behind the device, which is magnified by a thin geometric phase (GP) lens.’”
The end result, a small and lightweight VR eyepiece “could be game-changing if made a reality outside of the lab,” per PC Gamer, which adds the Holographic Glasses weigh only about 60 grams, “notably far lighter than even the Meta Quest 2, which rolls in at 503 grams.” ...
See the full story here: https://www.etcentric.org/nvidia-and-stanford-develop-downsized-holographic-glasses/
