Multilayer optical memory with means for recording and reading i

Details Multilayer optical memory with means for recording and reading i Multilayer optical memory with means for recording and reading i

1994-04-19

1996-01-30

Epps, Georgia Y.

Dynamic information storage or retrieval

Specific detail of information handling portion of system

Radiation beam modification of or by storage medium

369 94, 369283, G11B 700

Patent

active

054885973

ABSTRACT:
A multilayer optical memory has interleaved optical recording media layers and control layers. In a transmissive system, the recording media layers are sensitive to the polarization (linear or circular) of a light beam. The control layers are polarization modulators. In a reflective system, the control layers are notch filters.

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patent: 4908813 (1990-03-01), Ojima
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patent: 5079061 (1992-01-01), Hashida
patent: 5187703 (1993-02-01), Katayama et al.
patent: 5243455 (1993-09-01), Johnson
patent: 5255262 (1993-10-01), Best et al.
patent: 5353247 (1994-10-01), Faris
Article by Dieter Pohl "Stacked Optical Memories" Feb. 1974/ vol. 13, No. 2/ Applied Optics, pp. 341-346.

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