US 7,477,433 B2
	Hologram recording method, optical recording medium, and hologram-recording device
Shin Yasuda, Ashigarakami-gun (Japan); Yasuhiro Ogasawara, Ashigarakami-gun (Japan); Jiro Minabe, Ashigarakami-gun (Japan); Katsunori Kawano, Ashigarakami-gun (Japan); Kazuhiro Hayashi, Ashigarakami-gun (Japan); Hisae Yoshizawa, Ashigarakami-gun (Japan); and Koichi Haga, Ashigarakami-gun (Japan)
Assigned to Fuji Xerox Co., Ltd., Tokyo (Japan)
Filed on Jan. 25, 2005, as Appl. No. 11/41,443.
Claims priority of application No. 2004-203766 (JP), filed on Jul. 09, 2004.
Prior Publication US 2006/0007513 A1, Jan. 12, 2006
Int. Cl. G03H 1/10 (2006.01)

U.S. Cl. 359—10  [359/3; 359/28; 359/35; 359/900]

2 Claims

1. A hologram-recording method, comprising recording a reflection-type volume hologram in an optical recording medium by irradiating the optical recording medium with a modulated beam obtained by spatially modulating a laser beam and a diffused beam obtained by diffusing the modulated beam by a diffuser, coaxially but from different sides of the optical recording medium, respectively, and forming an image in the optical recording medium, wherein the diffuser is in direct contact with a recording layer and the optical recording medium includes the diffuser and the recording layer without any intervening layer between the diffuser and the recording layer.