Patent Number: 7,535,608

Title: Hologram recording method and hologram recording apparatus

Abstract: A hologram recording method includes eliminating a DC component from a Fourier transformation image of a signal light for expressing binary digital data as a brightness image, and irradiating an optical recording medium simultaneously with the signal light from which the DC component has been eliminated and a reference light to record an image edge portion of the signal light onto the optical recording medium as a hologram.

Inventors: Kawano; Katsunori (Ashigarakami-gun, JP), Haga; Koichi (Ashigarakami-gun, JP), Yasuda; Shin (Ashigarakami-gun, JP), Furuki; Makoto (Ashigarakami-gun, JP), Minabe; Jiro (Ashigarakami-gun, JP), Ogasawara; Yasuhiro (Ashigarakami-gun, JP), Hayashi; Kazuhiro (Ashigarakami-gun, JP), Yoshizawa; Hisae (Ashigarakami-gun, JP)

Assignee: Fuji Xerox Co., Ltd.

International Classification: G03H 1/16 (20060101)

Expiration Date: 2021-05-19 0:00:00