Meta just revealed a new XR display prototype — and it may be the biggest leap in smart glasses since Google Glass
And researchers at Meta Reality Labs and Stanford University may have just given us the clearest glimpse yet of this future.
Yes, I know the researcher pictured above kind of looks like a Cyberpunk pirate, but that eyepatch is a prototype holographic XR display — creating full 3D holograms on a screen thin enough to be used in a standard-sized pair of glasses.
This is the holy grail that companies have been chasing down, and Meta just took one giant step closer to it.
So let's get into the details of this mixed reality tech. Basically, it's a combination of custom glass and silicon along with AI-driven algorithms to render 'perceptually realistic 3D images,' as the researchers say in their paper.
To make this happen, there's a custom ultra-thin waveguide display driving the visuals — using a laser to project onto a uniquely-textured part of the lens glass for picture clarity.
After this, it goes through a polarizer so we can see it, and a custom-designed Spatial Light Modulator that will (you guessed it) modulate light — the special thing being that it will do so on an individual pixel-by-pixel basis to render a 'full-resolution holographic' image we can see.
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That's right. Holograms. Unlike your standard VR headsets and AR glasses that use eye-confusion techniques to simulate depth, this system can produce true holograms by reconstructing them entirely through light.
There's both a wide field of view and a large eyebox to accommodate all possible pupil positions for accessibility.
'The world has never seen a display like this with a large field of view, a large eyebox, and such image quality in a holographic display,' Gordon Wetzstein, Stanford electrical engineering professor told the Stanford Report.
'It's the best 3D display created so far and a great step forward – but there are lots of open challenges yet to solve.'
And even better? All of this is crammed into a panel just 3mm thin! That is significant for the future progress of stuffing displays into glasses without needing bird bath optics.
One challenge to note, though, is this is mixed reality and not augmented. The wording is critical here, as the mixed reality reference means the optics are not transparent.
But that being said, with this being the second of three projects to bring this to life in a commercial project, there's no doubt that what we're looking at here is a breakthrough. Don't expect this tech to come to glasses you can buy for another few years, but if this mixed reality display can become augmented, that's the dream I've been having over the past four years of testing and writing about smart glasses!
My apologies to the phones team, but the clock has just started ticking on a new frontier of personal devices.
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