Hattrick

Medunarodna internet manager igr

Počítačové řízení optického zařízení pro expozici velkých hologramů

In exposing large holograms one encounters the problem of insufficiency of the laser power that needs to be spread over an extensive area. A per partes exposure using a narrow beam of sufficient intensity offers a solution. The cover the whole hologram area, the beam spot is required to travel in concentric circles