| 摘要 |
A radiation image read-out apparatus comprises devices for two-dimensionally scanning a stimulable phosphor sheet carrying a radiation image stored thereon by stimulating rays, and a light guide member having a light input face positioned above the stimulable phosphor sheet. A light shielding member having an aperture for passing light emitted by the stimulable phosphor sheet upon stimulation thereof is positioned between the stimulable phosphor sheet and the light guide member, and an optical system for converging the emitted light by a cylindrical lens and making it impinge upon the light guide member via the aperture is positioned between the stimulable phosphor sheet and the light shielding member. Or, a volume hologram for making the emitted light impinge upon the light guide member is positioned between the stimulable phosphor sheet and the light guide member.
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