Hologram writer and method

Details Hologram writer and method Hologram writer and method

1983-04-18

1985-02-12

Arnold, Bruce Y.

350 36, G03H 108

Patent

active

044987404

ABSTRACT:
A hologram is written from x, y, z data by presenting an information beam at a holographic medium with x and y coordinates represented by x and y position on the medium and z coordinates represented by distance between the holographic medium and a point position of the beam close to the medium, while simultaneously presenting a reference beam in interference with the information beam and of a size comparable with the size of the information beam at the holographic medium. The area of the information beam and the reference beam at any position on the holographic medium is a small fraction of the total area of the hologram.

REFERENCES:
patent: 3698787 (1972-10-01), Mueller et al.
patent: 4109996 (1978-08-01), Ersoy

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