An apparatus for the manufacture of individual holograms to...

Details An apparatus for the manufacture of individual holograms to... An apparatus for the manufacture of individual holograms to...

G - Physics

03

H

G03H 1/20 (2006.01)

Patent

CA 2244018

An apparatus serves the manufacture of holograms from a master hologram of a ground glass screen recorded with one or more wavelengths and one or more reference angles. By means of these, stereoscopic and individual colour holograms can be manufactured in a contact copy process. The apparatus possesses a radiation source for laser irradiation (6, 8) for the irradiation of a master (H2) and a film (7). So that holograms which contain different information can be manufactured in a simple manner, a modulation apparatus, in particular an LCD, is provided for the modulation of the coherent radiation (6, 8) (Fig. 2).

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