Holographic optical information recording and reproducing...

Details Holographic optical information recording and reproducing... Holographic optical information recording and reproducing...

2008-06-24

2008-06-24

Wellington, Andrea (Department: 2627)

Dynamic information storage or retrieval

Specific detail of information handling portion of system

Radiation beam modification of or by storage medium

Reexamination Certificate

active

07391702

ABSTRACT:
In an optical information recording/reproducing apparatus using holography in which a relative inclination between a recording light or a reproducing light and a recording medium is corrected by using a device which is suitable for size-reduction. Provided is an optical information recording/reproducing apparatus for recording/reproducing information to/from a recording medium through irradiating recording light or reproducing light by an objective lens onto a recording medium to/from which information is recorded/reproduced using holography, wherein light ray flux of the recording light or the reproducing light entering an objective lens is parallel-translated according to a relative inclination between the recording light or the reproducing light and the recording medium.

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