Hologram recording medium, and recording apparatus and...

Details Hologram recording medium, and recording apparatus and... Hologram recording medium, and recording apparatus and...

2008-05-06

2008-05-06

Lavarias, Arnel (Department: 2872)

Optical: systems and elements

Holographic system or element

Having particular recording medium

C359S010000, C359S035000

Reexamination Certificate

active

11072393

ABSTRACT:
A hologram recording medium, and a recording apparatus and a reproducing apparatus for the same, by which scattered beam noise is minimized and recording capacity is increased using spatial separation and polarization separation in an optical system where a reference beam and an object beam travel through the same optical path. The provided hologram recording medium includes a recording layer into which an object beam and a reference beam are radiated to record data of the object beam as interference fringes, and first and second phase difference layers arranged above and below the recording layer, respectively, to convert the polarization of an incident beam.

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patent: 1 065 658 (2001-01-01), None
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Written Opinion and Search Report issued in International Patent Application No. PCT/KR2005/000633 on Jul. 12, 2005.

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