In this paper bending principle of sagittally focusing crystal using optimized origins of rotation,systemic error and change of resolution during crystal bending is analysed.

• 本文通过优化晶体弯曲过程的旋转点，理论上分析了弧矢聚焦晶体弯曲原理、弯曲所造成的系统误差以及弯曲过程中晶体面形精度的变化；