Apparatus for holographic recording

Details Apparatus for holographic recording Apparatus for holographic recording

1974-10-31

1976-07-20

Stern, Ronald J.

G03H 128

Patent

active

039703576

ABSTRACT:
Disclosed are a method and apparatus for holographically recording a plurality of holograms on a recording material. The method comprises producing two coherent light beams, altering one of these beams by an information bearing object, causing the changed beam to interfere with the other beam at an angle on the recording material, whereby the interference diagram is recorded, repeating these steps for further pieces of information with a changed recording characteristic obtained by altering the spacial arrangement of the two beams striking the recording material relative to a straight line stationary in the recording material by redirecting at least one beam with stationary optical elements.

REFERENCES:
patent: 3560071 (1971-02-01), Silverman et al.
patent: 3660818 (1972-05-01), Amodei et al.
patent: 3774986 (1973-11-01), Bourgoin et al.
patent: 3821722 (1974-06-01), Ost
patent: 3843260 (1974-10-01), Edmonds
Tao, IBM Tech. Dis. Doc., vol. 11, No. 7, Dec., 1968, pp. 734-735.
Grobin et al., IBM Tech. Dis. Doc., vol. 10, No. 3, Aug. 1967, pp. 282-283.
Redman, Jo. of Sci. Instr. (J. of Physics E), 1968, Series 2, vol. 1, Aug. 1968, pp. 821-822.

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