Multiplexed phase-conjugate holographic data storage using a buf

Details Multiplexed phase-conjugate holographic data storage using a buf Multiplexed phase-conjugate holographic data storage using a buf

1999-09-13

2000-04-11

Spyrou, Cassandra

Optical: systems and elements

Holographic system or element

For producing or reconstructing images from multiple holograms

359 11, 359 15, 359300, G03H 126

Patent

active

060494026

ABSTRACT:
An optical storage system, which includes a temporary buffer and an optical storage medium, allows the practical combination of phase-conjugation and hologram multiplexing. The temporary buffer receives an object light beam and a first reference light beam, and records a first hologram at an intersection of the object light beam and the first reference light beam. The temporary buffer then receives a second reference light beam that is phase-conjugate to the first reference light beam and that illuminates the first hologram, thereby generating a phase-conjugate object light beam. The optical storage medium receives the phase-conjugate object light beam and a third multiplexed reference light beam, and records a second hologram for long-term storage at an intersection of the phase-conjugate object light beam and the third reference light beam.

REFERENCES:
patent: 5793504 (1998-08-01), Stoll

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