| 摘要 |
A compact hologram apparatus capable of high-speed processing is provided. A hologram apparatus 1 includes a light emitter 30 that applies light onto a recording medium 10 on which a plurality of holograms 11 are provided, and a light receiver 20 that receives light exiting from the holograms 11 . The light receiver 20 includes a substrate 22 having multiple light-receiving elements 21 arranged on a surface thereof, and the light emitter 30 includes a plurality of light-emitting elements 31 arranged in an array on the substrate 22 of the light receiver 20 so as to be combined with the light receiver 20.
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