Static information storage and retrieval – Information masking – Diffraction
Patent
1985-10-11
1988-04-19
Hecker, Stuart N.
Static information storage and retrieval
Information masking
Diffraction
365 49, 350 36, 356347, G11C 1304, G11C 1500, G03H 102
Patent
active
047394960
ABSTRACT:
Associative holography memory apparatus is disclosed which employs a hologram and two phase conjugate mirrors. The mirrors are arranged to form a conjugate resonator whereby the output image from the apparatus tends to converge to that stored image most closely associated with an input image. Alternate embodiments are described which employ a multiple storage and erasure hologram, and which employ only a single phase conjugate mirror.
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patent: 4598973 (1986-07-01), Greenleaf
Pepper, "Nonlinear Optical Phase Conjugation", Optical Engineering, Mar./Apr. 1982, vol. 21, No. 2, pp. 156-183.
Yariv, "Phase Conjugate Optics and Real-Time Holography", IEEE Journal of Quantum Electronics, vol. QE-14, No. 9, Sep. 1978, pp. 650-660.
Gabor, "Associative Holographic Memories", IBM Journal of Research and Development, vol. 13, No. 2, Mar. 1969, pp. 156-159.
Dunning Gilmore J.
Klein Marvin B.
Lind Richard C.
Marom Emanuel
Owechko Yuri
Duraiswamy Viji D.
Float Kenneth W.
Gossage Glenn A.
Hecker Stuart N.
Hughes Aircraft Company
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