| 摘要 |
In a reproduction apparatus, a modulation control generates reference light by performing a drive control on respective pixels in reference light areas of a spatial light modulator and a phase modulator and also generates DC light added to a reproduction image by performing a drive control in a signal light area of a spatial light modulator to apply a spatial light intensity modulation at a same modulation amount in all pixels and performing a drive control in a signal light area of the phase modulator while setting one part of phase modulation amounts as a phase modulation amount for setting a same phase as a reference phase in the reproduction image obtained from a hologram recording medium in accordance with irradiation of the reference light and setting the other part of the phase modulation amounts as a phase modulation amount different by &pgr; with respect to the one part of the phase modulation amounts.
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