G - Physics – 03 – H
Patent
G - Physics
03
H
88/0.14
G03H 1/00 (2006.01) G02B 5/32 (2006.01)
Patent
CA 1252321
METHOD FOR CONSTRUCTING AND RECONSTRUCTING HOLOGRAM ABSTRACT OF THE DISCLOSURE A method for constructing and reconstructing a hologram. The hologram is constructed by irradiating two construction beams having a different incidence angle onto a hologram record medium and forming inter- ference fringe patterns therein by the two construction beams. The hologram is reconstructed by irradiating a reconstruction beam onto the interference fringe patterns so as to diffract the reconstruction beam in accordance with the interference fringe patterns. At least one of the two construction beams irradiates the hologram record medium through at least one optical deviation element. The incidence angle of the reconstruction beam is different from that of each construction beam and arranged to be nearly a Bragg angle at any point of the hologram.
464562
Ikeda Hiroyuki
Inagaki Takefumi
Kato Masayuki
Kitagawa Shunji
Yamagishi Fumio
Fujitsu Limited
Mcfadden Fincham
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