Facebook is attempting to make VR glasses thinner and extra “socially acceptable.” The firm in a brand new analysis paper has revealed its glasses-like prototype digital actuality (VR) headset with a show measuring 8.9mm in thickness, which is about the identical as an everyday smartphone. The social media big says that one solution to obtain “sunglasses”-like VR headsets, is by changing the refractive lens with holographic optics. It primarily implies that the brand new optics will permit the sunshine to succeed in human eyes in a smaller distance, in contrast to common VR gear that require to be cumbersome to accommodate thick lens to vary the angle of sunshine from the show to our eyes.
The new optics will additional assist to maintain the shape issue and weight of the VR headset a lot lighter, the Facebook analysis paper highlights. The findings are defined within the analysis paper led by Facebook Reality Labs. The researchers notice that to realize skinny, light-weight, and high-performance near-eye shows for digital actuality, they’ve mixed “holographic optics, directional backlighting, laser illumination, and polarization-based optical folding.”
“Current [VR] headsets still have box-like form factors and provide only a fraction of the resolution of the human eye. Emerging optical design techniques, such as polarization-based optical folding, or ‘pancake’ optics, promise to improve performance while reducing size.” the analysis notes.
Pancake optics primarily bounce gentle forwards and backwards inside a lens earlier than reaching the human eyes. This successfully will increase the space between the show panel and focusing optic with out growing bodily measurement. The analysis states that it permits the focusing optics to be positioned bodily near the show panel, “while virtually acting as if they were much further away, providing a tremendous advantage in compactness.”
Limitations of the skinny near-eye VR headset
The researchers identified that there are a number of limitations with the sunglasses-like prototype VR headset, due to this fact indicating its launch remains to be years away. Currently, the prototype outputs in monochrome, and it’s but to realize a full-colour show.
Similarly, the headset must tackle challenges like battery life, system connections, and so forth.
Facebook-owned Oculus VR in 2019 launched Oculus Rift S digital actuality headset for $399 (roughly Rs. 30,100).
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