Beam window structure and accelerator

The utility model discloses a beam window structure and an accelerator, and relates to the technical field of accelerators. The beam window structure is configured with a beam direction and comprises a first flange, a beam window and a second flange which are sequentially arranged along the beam direction; the beam window is arranged between the first flange and the second flange in a sealed mode, a first liquid cooling channel is arranged on the first flange, and a second liquid cooling channel is arranged on the second flange. According to the beam window structure, the cooling efficiency of the beam window can be improved, and heat accumulation is reduced. 本申请公开了一种束窗结构及加速器，涉及加速器技术领域。束窗结构配置有束流方向，所述束窗结构包括沿所述束流方向依次设置的第一法兰、束窗和第二法兰；所述束窗密封地设置于所述第一法兰和所述第二法兰之间，所述第一法兰上配置有第一液冷通道，所述第二法兰上配置有第二液冷通道。本申请提供的束窗结构可提升束窗的冷却效率，减少热量堆积。