HOLOGRAM RECORDING SYSTEM AND HOLOGRAM RECORDING METHOD

摘要

PROBLEM TO BE SOLVED: To provide a hologram recording system and hologram recording method having angle multiplexing function with less unnecessary exposure.

SOLUTION: The hologram recording system records a signal light S on an optical recording medium 52 by multiplexing the signal light S modulated by a spatial optical modulator 24 with a reference light R modulated with a preset pixel pitch by a modulation plate 40 by a multiplexing means 34 and condensing the light by a Fourier transform lens 50 to irradiate an optical recording medium 52. In this case, angle multiplexing hologram recording is achieved by changing an incident angle of the reference light R to the optical recording medium 52 by rotating the multiplexing means 34 by a reflective angular control section or changing the incident angle of the multiplexed signal light S and reference signal R received by the optical recording medium 52 with a receiving light angle control section 53.

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