Holographic recording medium and holographic recording/reproducing method
AssigneeTDK Corporation
InventorsTetsuro Mizushima, Takuya Tsukagoshi, Hideaki Miura, Jiro Yoshinari
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Abstract
A white-light reconstruction hologram and a Fourier hologram for data can be recorded in a same holographic recording medium. The holographic recording medium comprises, in a substantially identical plane, a white-light reconstruction holographic recording layer region capable of forming a white-light reconstruction hologram, having a thickness of 2 μm to 80 μm, and a Fourier holographic recording layer region capable of multiplexed hologram recording, having a thickness of 100 μm to 2 cm.
Claims10
A holographic recording medium comprising, in a substantially identical plane, a white-light reconstruction holographic recording layer region capable of forming a white-light reconstruction hologram, having a thickness of 2 μm to 80 μm, and a Fourier holographic recording layer region capable of multiplexed hologram recording, having a thickness of 100 μm to 2 cm.
A holographic recording medium comprising, in a substantially identical plane, a white-light reconstruction holographic recording layer region, at least in part of which a white-light reconstruction hologram is formed, having a thickness of 2 μm to 80 μm, and a Fourier holographic recording layer region, at least in part of which multiplexed holograms are recorded, having a thickness of 100 μm to 2 cm.
A method of holographic recording comprising the step of irradiating, as an object beam, a two-dimensional pattern image created by a spatial light modulator to the white-light reconstruction holographic recording layer region in a holographic recording medium comprising, in a substantially identical plane, a white-light reconstruction holographic recording layer region capable of forming a white-light reconstruction hologram, having a thickness of 2 μm to 80 μm, and a Fourier holographic recording layer region capable of multiplexed hologram recording, having a thickness of 100 μm to 2 cm.
Dependencies are inferred from the claim text.