Double modulation holographic recording technique

Details Double modulation holographic recording technique Double modulation holographic recording technique

1976-08-16

1978-09-26

Corbin, John K.

350 376, G02B 2700

Patent

active

041165268

ABSTRACT:
By simultaneously illuminating an area of a hologram recording medium through an object transparency situated in substantially direct contact with the recording plane of the hologram recording plane with each of two angularly-displaced beams of coherent light, double modulation is achieved. The disclosed technique is particularly applicable to the serial recording on a single hologram of each of a stereo pair of object transparencies, which, on playback, provides a stereoscopic reconstructed image which is directly viewable by an observer.

REFERENCES:
patent: 3695744 (1972-10-01), Clay
patent: 3820869 (1974-06-01), Bolusset et al.
patent: 3924925 (1975-12-01), Gale et al.
Donig et al., "Ubertragung von Stereophotographien Auf Ein Hologramm", Optik, vol. 37, No. 1, Jan. 1973, pp. 31-37.
Mikhail, "Hologrammetry: Concepts and Applications", Photogrammetric Engineering, Dec. 1974, pp. 1407-1422.

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