Integrated optical comparator compares reference and signal voltages by their effects on coherent light beam. If both voltages are same, beam is essentially unperturbed. If voltages differ, light is deflected by previously recorded hologram to detector.
Optical comparator uses holographic subtraction
NASA Tech Briefs ; 4 , 4
1980-06-01
Miscellaneous
No indication
English
NTRS | 1982
|NTRS | 1988
|Tema Archive | 1985
|NTRS | 1986
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