Laser Plasma Displays 3D Images In The Air

Real 3D images can now be displayed in mid-air:

Many previous displays in 3D have been virtual images on 2D planes which, due to human binocular disparity, appear as 3D. However, the limitation of our visual field and the physical discomfort caused by wrongly identifying virtual images makes these displays less than perfect.

The new device uses the plasma emission phenomenon near the focal point of focused laser light. By controlling the position of the focal point in the direction of the x-, y-, and z-axes, real 3D-images in air (3D-space) can be displayed.


This should be very useful for studying 3D shapes the easy way. It’s also useful for studying starmaps in StarWars-style. 😉

One thought on “Laser Plasma Displays 3D Images In The Air

  1. Noah Gravenstein

    For years birdwatchers have enjoyed studying bird in their natural environment courtesy of a pair of binoculars. While bird watchers appreciated the convenience of the binoculars, they were frustrated by the fact that they were unable to take photographs of their subjects. Some birdwatchers got around stopped using their binoculars and switched to studying birds through long range zoom cameras. While this was great for birdwatchers, what about people who were drawn to the see, whale watchers often worried about taking their expensive digital cameras on board ships because they were afraid of what the water and salt would do to the camera’s delicate mechanisms…

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