ASSOCIATIVE FREQUENCY-SELECTIVE OPTICAL STORAGE DEVICE Russian patent published in 1996 - IPC

FIELD: computer engineering. SUBSTANCE: device has laser emitter 1, frequency tuning unit 2, synthesizer 3 of digital set of optical frequencies, optical gate 4 and modulator 5, controlled light switches 6-11, reflector 12, addressing modules 13,14, storage module 15. Each addressing module has monocrystalline substrate 16, deflecting layer 17, spatial-light modulator 18. Storage module has substrate 19, deflecting layers 20,21, storage layers 20,23. Device also has dispersing element 25. Fourier lens 26, matrix photodetector unit 17, helium cryostat 24, and control unit 28. EFFECT: enlarged functional capabilities due to provision for executing logical operations with data arrays; improved information capacity of device. 3 cl, 2 dwg