| 摘要 |
When a hologram recording material is changed in volume and refractive index during hologram recording, if one sheet of non-defective reconstructed images cannot be obtained even if conditions are changed so as to conform with Bragg's law most closely by changing the angle or position of a reference beam, a hologram reconstructing apparatus and a hologram reconstructing method are provided, in that a plurality of sheets of partially non-defective and favorable reconstructed images (51, 52, and 53) are obtained and favorable parts of these reconstructed images are connected together so as to have one sheet of non-defective and favorable reconstructed images (54).
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