Creating 3D images inside glass blocks with a high peak power frequency doubled Q-switched Vanadate laser. Typical block of the size shown in the video (~6 x 10cm) will have an image made up of 250,000 micro cracks each created by a high peak power pulse from the laser. The power density is only sufficient to get above the damage threshold at the focal plane. In conjunction with a face scanner, faces of people can be created inside blocks.

The movie and associated information has been provided by Rofin-Baasel UK Ltd. for educational purposes, through the good offices of Andrew B. May. See [ Ссылка ] for more detail.

See also, [ Ссылка ] for an aeroengine created in this way.

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