InventorAssigneeUS Classes369/103, Holographic369/112.23Particular lensAttorney, Agent or FirmForeign Documents- 10-2008-0068348 KR 07/14/2008
International Class G11B 7/00 Issued Patent Number:8059516
Abstract textProvided 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. |