| 摘要 |
A color image is recorded on a color photosensitive material by using a spatial light modulator, which comprises a photoconductive layer and an electro-optic material layer located with an insulating multi-layer film mirror intervening therebetween. An optical pattern is inputted from the side of the photoconductive layer and written into the spatial light modulator. Reading light is irradiated from the side of the electro-optic material layer and reflected from the multi-layer film mirror, and the written optical pattern is thereby read from the spatial light modulator. The multi-layer film mirror has spectral reflectance characteristics such that the reflectance with respect to the reading light having wavelengths falling within a wavelength range, for which the sensitivity of the color photosensitive material is high, may be lower than the reflectance with respect to the reading light having wavelengths falling within a wavelength range, for which the sensitivity of the color photosensitive material is low.
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