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US Patent Application 20100008206 - METHOD AND APPARATUS FOR RECORDING/REPRODUCING HOLOGRAPHIC INFORMATION

Application 20100008206 Filed on July 13, 2009. Published on January 14, 2010

Inventor

Assignee

US Classes

369/103, Holographic369/112.23Particular lens

Attorney, Agent or Firm

Foreign Documents

  • 10-2008-0068348 KR 07/14/2008

International Class

G11B 7/00

Issued Patent Number:

8059516


Abstract text


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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