Invention Grant
US07808877B2 Optical recording device and optical recording method 有权
光记录装置和光记录方法

Optical recording device and optical recording method
Abstract:
An optical recording device includes a light source, a light-converging optical system, a moving unit, detection unit, and an acquisition unit. In the optical recording device, interference fringes from a recording light are shift multi-recorded as a plurality of pages of holograms within each of a plurality of planes corresponding to a plurality of convergence positions based on light exposure amount of each page, acquired by the acquisition unit, for each of the convergence positions.
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