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The device we have developed utilizes 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, we have succeeded in displaying real 3D-images constructed by dot arrays in air (3D-space).
The laser light source we used in this work is a high-quality and high–brightness infrared pulsed laser (repetition frequency of pulse: approximately 100 Hz), by which plasma production can be more precisely controlled, enabling brighter and higher contrast image drawing. In addition, the distance between the device and drawing points can be greatly extended (several meters).
A.I.S.T
Originally posted by apc
This thing is still cooler
Holographic PC Interface Invented
I bet they impliment similar technologies.
The phenomena is a strange one. Once I was tinkering with an optomologist's laser device, used on patients sitting upright. When fired it created a spark in midair, where the two lasers were focused.
Originally posted by XL5
This kind of thing is 3D but should not be used for holo-TV, it would be like using the heat from a car engine to heat a room.