| 摘要 |
A radiographic apparatus for obtaining a radiological phase contrast image, the radiographic apparatus includes: a radiation source, a first grating, a second grating, a scanning unit, and a radiological image detector. The radiation source includes a radiation tube, a driving power supply unit, and a radiation source control unit. The radiation irradiated from the radiation tube is controlled so that a remaining output after the feeding of the power to the radiation tube by the driving power supply unit is stopped becomes substantially zero, and the scanning unit performs a relative displacement operation after the radiation irradiated to the first grating is effectively cut off by the radiation source control unit.
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