Recording unidimensional holograms with reduced positional sensi

Details Recording unidimensional holograms with reduced positional sensi Recording unidimensional holograms with reduced positional sensi

1974-03-06

1976-03-16

Stern, Ronald J.

Telegraphy

Systems

Printing

178 67A, 1791003G, 346108, G03H 128

Patent

active

039443213

ABSTRACT:
An arrangement for effecting holographic recording of information occurring in the form of electrical signals, wherein a coherent object wave which has been pulse modulated by an electrical signal is to be recorded, and a coherent reference wave is used to produce a unidimensional hologram upon a moving photosensitive storage medium, and a divergent reference wave and a convergent object wave, or a convergent reference wave and a divergent object wave, or two convergent reference and object waves or two divergent object and reference waves are used. The present invention defines the equation for the position of the reference and object points so as to provide accuracy in reproducing the holograms.

REFERENCES:
patent: 3770886 (1973-11-01), Kiemle
patent: 3809453 (1974-05-01), Ruell et al.

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