| 摘要 |
The invention provides a method of recording, and replicating a reflection hologram, which enables reference light or object light to strike on a holographic recording material at an angle of incidence that is approximate to 90 DEG or larger than the critical angle. With the reflection hologram-replicating method, the reflection hologram can be continuously replicated by allowing replicating illumination light to strike on the holographic recording material at any desired angle of incidence other than verticality. A wavefront conversion type transmission hologram 1' is located in close contact with one surface side of a reflection hologram recording material 6 while a reflection hologram plate 7 is located in close contact with the other surface side thereof. The reflection hologram plate 7 is replicated by interference in the photographic material 6 between light 5 produced upon incidence of illumination light 4 on the wavefront conversion type transmission hologram 1', in which at least one of the wavefront shape and direction thereof is converted, and light 8 produced upon diffraction of light 5 by striking on the plate 7 through the holographic recording material 6.
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