PROBLEM TO BE SOLVED: To provide a radiographic apparatus and a radiographic system capable of rapidly attenuating vibration of a grating to improve detection accuracy of phase information and to shorten imaging time.SOLUTION: The radiographic system includes: a first grating a second grating 32 having a period which substantially coincides with a pattern period of a radiological image formed by radiation having passed through the first grating a scanning unit 33 for relatively displacing the radiological image and the second grating 32 and a radiological image detector for detecting the radiological image masked by the second grating 32. The scanning unit 33 includes: a driving unit 35 that drives at least one of the first grating and the second grating 32 relatively to the other in a pattern arrangement direction of the radiological image and a plurality of elastic members 36, 36, 37, 37 that has natural frequencies different from each other and urges a driving target of the driving means 35 in a direction opposite to the driving direction thereof.COPYRIGHT: (C)2012,JPO&INPIT【課題】格子の振動を迅速に減衰させることで、位相情報の検出精度の向上と撮影時間の短縮化とが可能な放射線撮影装置及び放射線撮影システムの提供。【解決手段】放射線撮影システムは、第1の格子と、第1の格子を通過した放射線により形成される放射線像のパターン周期と実質的に一致する周期を有する第2の格子32と、第2の格子32と放射線像とを相対変位させる走査手段33と、第2の格子32によってマスキングされた放射線像を検出する放射線画像検出器と、を備え、走査手段33は、第1の格子及び第2の格子32の少なくとも一方を他方に対して、放射線像のパターン配列方向に駆動する駆動手段35と、互いに異なる固有振動数を有し駆動手段35による駆動対象をその駆動方向とは反対方向に付勢する複数種類の弾性体36,36,37,37と、を含む。【選択図】図10
