Understanding the wavefront of ultra-bright and ultra-short pulses of X-ray free-electron lasers is both important and challenging. A method based on ptychography that can retrieve full high-resolution complex-valued wave functions of individual pulses is presented.

中文翻译：

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使用叠层描记术在自由电子激光器上进行脉冲到脉冲波前传感

了解 X 射线自由电子激光器的超亮和超短脉冲的波前既重要又具有挑战性。提出了一种基于叠层描记术的方法，可以检索单个脉冲的全高分辨率复值波函数。