| 摘要 |
A holographic recording/reproducing apparatus is adapted to split laser light into signal light and reference light and to record a hologram by illuminating a holographic recording medium with the signal light and the reference light and/or to reproduce the hologram by illuminating the holographic recording medium with the reference light. The holographic recording/reproducing apparatus includes a laser light source that emits the laser light, a measuring unit operable to measure the wavelength of the laser light, and a setting unit operable to measure the wavelength of the laser light while changing a current supplied to the laser light source, and to set the current supplied to the laser light source based on a measurement result such that the influence of a change in the wavelength of the laser light is minimized.
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