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Shining a Flashlight on Digital Holography

• p1mrx 7y ago
  TL;DR: It's a Vive Tracker bolted to a dummy flashlight, which controls a virtual light source. The flashlight's power button is also an input device, wired to some Digital Input pins on the Vive Tracker.
• deleted 7y ago
  [deleted]
• carrolldunham 7y ago
  Nothing to do with digital holography. It's a digital lenticular.
  • dTal 7y ago
    There's not really any clean definition of "holography" anyway, and it's a pedantic (and long-since lost) battle to insist that anything that calls itself "holographic" be achieved with wave interference. Besides, they have a lot more in common than you think. This is recreating a (single-parallax) light field - it's not really doing anything different from an imaging perspective than a single-parallax direct-write digital hologram - only the physics differs. The technique is fully generalizable to full-parallax. Saying that it can't be a "hologram" because it doesn't use lasers is a little like saying a Tesla isn't a "car" because it doesn't burn gasoline.
• skavi 7y ago
  how does this display work? The website shows a large glass lens block in front of the display and claims 45 different angles. Is it somehow sending the light of 1/45 pixels in different directions?