Method and apparatus for recording/reproducing holographic...

Details Method and apparatus for recording/reproducing holographic... Method and apparatus for recording/reproducing holographic...

2009-07-13

2011-11-15

Huber, Paul (Department: 2627)

Dynamic information storage or retrieval

Specific detail of information handling portion of system

Radiation beam modification of or by storage medium

C369S103000

Reexamination Certificate

active

08059516

ABSTRACT:
Provided are a method and apparatus for recording/reproducing holographic information. The apparatus for recording/reproducing holographic information includes an optical pickup which irradiates light on a holographic information storage medium and receives irradiated light, wherein the optical pickup comprises a focusing optical system having a numerical aperture (NA) during recording that is lower than the NA during reproduction.

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Korean Office Action issued on Dec. 31, 2009, in Korean Application No. 10-2008-0068348 (3 pages, in Korean, no English translation).

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