Method and apparatus for bulk erasure in a holographic...

Optical: systems and elements – Holographic system or element – For producing or reconstructing images from multiple holograms

Reexamination Certificate

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C369S103000

Reexamination Certificate

active

08045246

ABSTRACT:
A method and system for bulk erasing in a holographic storage system is disclosed. The method may involve illuminating the entire volume storage region of a photorefractive crystal with a laser to achieve bulk erasure, or may involve selective erasure of a portion of a single written page. For bulk erasure of the entire photorefractive crystal the use of a separate laser or an incoherent light source is used.

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