Multiple beam optical memory system with solid-state lasers

Details Multiple beam optical memory system with solid-state lasers Multiple beam optical memory system with solid-state lasers

1996-01-08

1998-09-15

Hindi, Nabil

Dynamic information storage or retrieval

With servo positioning of transducer assembly over track...

Optical servo system

369112, 369117, 369121, G11B 700

Patent

active

058089861

ABSTRACT:
An optical memory system employing multiple reading/writing optical beams from solid state lasers for simultaneously reading from a writing to multiple tracks of optical media to allow reading/writing of closely spaced adjacent tracks, a number a feature are disclosed. These include using vertical writing surface emitting lasers forming an array of beam sources, using lenslets associated with array, modulating the beams, and providing various optical elements and combinations of optical elements to compensate for beam and system imperfections.

REFERENCES:
patent: 5126995 (1992-06-01), Nishizawa
patent: 5508990 (1996-04-01), Nagasaki et al.
patent: 5541888 (1996-07-01), Russell

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