| 摘要 |
Stimulating rays are irradiated linearly along a main scanning direction onto a stimulable phosphor sheet, on which a radiation image has been stored, and light emitted from the linear area of the sheet exposed to the linear stimulating rays is received with a line sensor via a light collecting optical system. The line sensor comprises photoelectric conversion devices arrayed along the main scanning direction. An optical guide member is located between the light collecting optical system and the line sensor. The optical guide member has a reflection surface for reflecting the emitted light, which has been radiated out from the light collecting optical system and has spread over a range wider than a width of each of the photoelectric conversion devices, the width being taken in a sub-scanning direction, such that the photoelectric conversion devices can receive the emitted light.
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